The United States Army Air Service ( USAAS ) (also known as the "Air Service" , "U.S. Air Service" and before its legislative establishment in 1920, the "Air Service, United States Army" ) was the aerial warfare service component of the United States Army between 1918 and 1926 and a forerunner of the United States Air Force . It was established as an independent but temporary branch of the U.S. War Department during World War I by two executive orders of President Woodrow Wilson : on May 24, 1918, replacing the Aviation Section, Signal Corps as the nation's air force; and March 19, 1919, establishing a military Director of Air Service to control all aviation activities. Its life was extended for another year in July 1919, during which time Congress passed the legislation necessary to make it a permanent establishment. The National Defense Act of 1920 assigned the Air Service the status of " combatant arm of the line " of the United States Army with a major general in command.
165-667: The First Army Air Service was an Air Service, United States Army unit that fought on the Western Front during World War I as part of the Air Service, First United States Army . The First Army Air Service was the largest and most diverse Air Service combat organization of the American Expeditionary Forces in France, and most American Air Service combat units were assigned to it when assigned to
330-706: A Director of Aircraft Production on April 28, 1918, and abolished the Air Division of the OCSO, creating a Division of Military Aeronautics (DMA) with Brigadier General William L. Kenly brought back from France to be its head, to separate supervision of aviation from the duties of the Chief Signal Officer. Less than a month later, Wilson used a war powers provision of the Overman Act of May 20, 1918, to issue Executive Order No. 2862 that suspended for
495-609: A combat at any desirable time. The effective work done and the comparatively small number of casualties suffered during the St. Mihiel offensive, gave evidence of the excellent training and experience gained during the previous three months. Bombing operations during the offensive were directed against hostile troops concentrations immediately behind the enemy's lines as primary objectives, and raids to railroads centers which were congested with troops and supplies as secondary objectives. To interfere with traffic of reinforcements and supplies from
660-432: A depth of 15 kilometers, and were constantly exposed to heavy machine gun and anti-aircraft artillery fire. They were especially liable to attack by pursuit planes which had every advantage of speed, maneuverability, and position. The strain of flying under these conditions coupled with the necessarily close confinement while awaiting orders, made it necessary that the teams be changed every ten days, and personnel from each of
825-538: A final plan for 202 by June 1919. In Pershing's view, the two functions of the AEF's Air Service were to repel German aircraft and conduct observation of enemy movements. The heart of the proposed force would be its 101 observation squadrons (52 corps observation and 49 army observation), to be distributed to three armies and 16 corps. In addition, 60 pursuit squadrons, 27 night-bombardment squadrons, and 14 day-bombardment squadrons were to conduct supporting operations. Without
990-554: A great handicap in carrying out aerial operations. Haze and fog obscured the ground to a great extent in the early morning and late afternoon during the last four weeks of the offensive. In considering the work performed by the Corps Observation Groups these weather conditions must be kept in mind as an element which affected the execution of each type of mission. In the matter of reconnaissance and infantry contact patrol work they produced some radical departures from
1155-495: A highly publicized personal investigation by Gutzon Borglum , a harshly vocal critic of the board. Borglum had exchanged letters with President Wilson, a personal friend, from which he assumed an appointment to investigate had been authorized, which the administration soon denied. Both the U.S. Senate and the Department of Justice began investigations into possible fraudulent dealings. President Wilson also acted by appointing
1320-568: A large number of pursuit and day bombardment squadrons. In addition, there was one other French pursuit group and three American pursuit groups-one American day-bombardment group-the 1st Army observation, and one French Army artillery group for the adjustment of long-range artillery fire. Eight night-bombardment squadrons of the British Royal Air Force . were to cooperate with the First Army Air Service whenever
1485-515: A permanent part of the air forces. Observation planes often operated individually, as did pursuit pilots to attack a balloon or to meet the enemy in a dogfight . However the tendency was toward formation flying, for pursuit as well as for bombardment operations, as a defensive tactic. The dispersal of squadrons among the army ground units (each corps and division had an observation squadron attached) made coordination of air activities difficult, so that squadrons were organized by functions into groups ,
1650-904: A separate aviation department to act as the centralized authority for decision-making, both the War and the Navy Departments opposed it, and on October 1, 1917, Congress instead legalized the existence of the APB and changed its name to the " Aircraft Board ", transferring its functions from the Council of National Defense to the secretaries of War and the Navy. Even so, the Aircraft Board in practice had little control over procurement contracts and functioned mostly as an information provider between industrial, governmental, and military entities. Nor did
1815-489: A separate executive bureau to provide the aircraft needed. This arrangement lasted only until the War Department implemented the executive order on May 24 by issuing General Order No. 51 to coordinate the two independent agencies, with an eventual goal of creating a Director of Air Service . (The term "Air Service" had been in use in France since June 13, 1917, to describe the function of aviation units attached to
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#17327728576661980-514: A series of legislation in the next three months that appropriated huge sums for development of military aviation, including the largest single appropriation for a single purpose to that time, $ 640 million in the Aviation Act (40 Stat . 243), passed July 24, 1917. By the time the bill passed, the term Air Service was in widespread if unofficial usage to collectively describe all aspects of Army aviation. Although it considered creation of
2145-442: A view to echeloning them in depth. As far as was known at the time, the enemy strength in the sector remained about the same as it had been throughout the summer months. In the air the strength of the enemy continued the same as it had been since the previous spring. A few pursuit patrols of Fokker airplanes were reported as operating in this sector, but it was quite probable that these were new airplanes received as replacements for
2310-460: The 1st , 12th , and 50th Aero Squadrons and two French squadrons. In the IV Corps group were the 8th , 135th , and 90th Aero Squadrons and one French squadron. The V Corps group consisted of the 88th , 99th , and 104th Aero Squadrons , only one of which had had a considerable experience in active front-line operations, the corps chief of Air Service and staff remained at the location of
2475-421: The 3d Pursuit Group consisted of the 28th , 93d , 103d , and 213th Aero Squadrons . The 1st Pursuit Group consisted of the 27th , 94th , 95th , and 147th Aero Squadrons . One French Group (G.C.16) was allocated to the 1st American Pursuit Wing commander for duty in connection with the offensive. With these units at his disposal, and with the general conditions of the air program for the offensive in mind,
2640-605: The 94th Pursuit Squadron scored. The first mission by an American squadron across the lines occurred April 11, when the 1st Aero Squadron, led by its commander, Major Ralph Royce , flew a photo reconnaissance mission to the vicinity of Apremont . The first American balloon group arrived in France on December 28, 1917. It separated into four companies that were assigned individually to training centers and instructed in French balloon procedures, then equipped with Caquot balloons, winches, and parachutes. The 2d Balloon Company joined
2805-480: The 96th Aero Squadron , the first unit of day bombardment, was established at Amanty Aerodrome to begin active operations against the enemy. The flying equipment of the 96th Squadron consisted of ten Breguet 14B.2 bombing airplanes, equipped with 300 horsepower type 12 F. E. V. Renault motors. The 1st Day Bombardment Group had a threefold object: the destruction of material, reconnaissance, and observation of enemy tactics in combat. Except during an offensive there
2970-460: The 99th and 104th Aero Squadrons on 7 August. At the time of organization, the 99th was conducting a liaison school with infantry units at which place the 104th Squadron reported, but due to a lack of equipment and officer personnel, no combat operations took place. On 7 September the group moved to Souilly Aerodrome in preparation for the St. Mihiel Offensive . At Souilly, the 88th Aero Squadron
3135-429: The 9th Aero Squadron on the alert early in the morning, to bomb and machine gun hostile troops in front of our advancing infantry. To carry out these orders the twelve available Breguets were divided into flights of four each. The plan was to send the flights over to attack at 30-minute intervals, and thus keep up the enemy troops under a continuous bombardment. The first order to raid was received at 10 A.M. The objective
3300-584: The Albatross and Pfalz type formerly in use. Individual observation and photograph airplanes operated over the sector, but no unusual number of hostile aircraft was at any time encountered or reported before the opening of the Saint-Mihiel offensive . The operations undertaken during the period of preparation. Visual reconnaissance, Photographic reconnaissance, Artillery fire adjustment, and Exercises with artillery and infantry. Visual reconnaissance of
3465-592: The American Expeditionary Force , a separate entity under commanding General John J. Pershing that conducted the combat operations of U.S. military aviation, began field service in the spring of 1918. By the end of the war, the Air Service used 45 squadrons to cover 137 kilometers (85 miles) of front from Pont-à-Mousson to Sedan . 71 pursuit pilots were credited with shooting down five or more German aircraft while in American service. Overall
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#17327728576663630-811: The Belrain Aerodrome , and the 3d Pursuit Group moved from the Vaucouleurs Aerodrome to the Lisle-en-Barrois Aerodrome . The wing headquarters and its groups perfected liaison with the corps air service, the army observation group, and the armies to the right and left of the 1st Army. For the Argonne-Meuse offensive, the 1st Pursuit Group was allotted the rather new task of combating enemy battle flights and of destroying balloons. In other words, all of its operations were confined to extremely low altitudes during
3795-568: The Curtiss Jenny as the primary trainer. Primary flying training school usually produced a candidate for commissioning in 15 to 25 hours of flight. At the assurance of the French that they could be rapidly trained in all phases, 1,700 cadets who had graduated from ground school were sent to Europe to undertake the entire flying portion of their training in Great Britain , France , and Italy . In December 1917, after receiving 1,400 of
3960-774: The Lafayette Escadrille and Lafayette Flying Corps . The first U.S. aviator killed in action during aerial combat occurred March 8, 1918, when Captain James E. Miller, commanding the 95th Pursuit Squadron , was shot down while on a voluntary patrol near Reims . The first aerial victory in an American unit was by 1st Lt. Paul F. Baer of the 103rd Aero Squadron, and formerly a member of the Lafayette Flying Corps, on March 11. The first victories credited to American-trained pilots came on April 14, 1918, when Lieutenants Alan F. Winslow and Douglas Campbell of
4125-417: The Western Front during World War I as part of the Air Service, First United States Army . It was demobilized in France on 15 February 1919. There is no modern United States Air Force unit that shares its lineage and history. The mission of the group was primarily to keep the friendly command informed of the general situation within the enemy lines by means of visual and photographic reconnaissances. It
4290-413: The mass production methods of the automotive industry , which used considerable amounts of metallic materials instead, and the priority of mass-producing spare parts was neglected. Though individual areas within the aviation industry responded well, the industry as a whole failed. Efforts to mass-produce European aircraft under license largely failed because the aircraft, made by hand, were not amenable to
4455-661: The "Equipment Division" of the Signal Corps exercise such control. Established by the Office of the Chief Signal Officer (OCSO) as one of the operating components of the Aviation Section, its task was to unify and coordinate the various agencies involved but its head was a commissioned former member of the APB who did nothing to create any effective coordination. Moreover, the largely wood and fabric airframe designs of World War I did not lend themselves to being made with
4620-492: The "Million-Dollar Guard". The backlog was finally cleared by opening an Air Service primary school at Tours and devoting part of the advanced school at Issoudun to preliminary training for a period of time. The U.S. training program produced more than 10,000 pilots as new first lieutenants in the Signal Officers Reserve Corps (S.O.R.C.). 8,688 received ratings of Reserve Military Aviator in
4785-419: The 1st Pursuit Group of four pursuit squadrons relocated from Selfridge Field, Michigan, to add their weight to the effort. Collectively the three groups (the entire combat strength of the Air Service in the continental United States) comprised the 1st Wing . In January 1920 only the surveillance group continued the patrols, which gradually diminished until June 1921 when they ceased entirely. Another group
4950-463: The 2d French Colonial Corps, and the 33d French Corps were to remain in place and not take part in the main offensive. One American Aero squadron was relieved from the Air Service of the IV Corps, leaving the 8th and 135th Aero Squadrons and one French squadron in the group at Ourches Aerodrome . The Air Service of the 2d French Colonial Corps was composed of the same squadrons as had participated in
5115-600: The 2nd Pursuit Group. The 1st Pursuit Group on its sector harassed the infantry, maintaining protective patrols above at different altitudes. But, it was not until 14 September, when the weather cleared, that pursuit aviation was able to operate at its normal altitude. Enemy Balloons were attacked with determination, and massed enemy troops withdrawn on 12, 13 and 14 September were harassed and repeatedly thrown into confusion. Large enemy formations of aircraft when they appeared were fought gallantly even by inferior members, and every opportunity of making observations from pursuit planes
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5280-650: The 3rd and 4th Regiments reorganized, delaying their deployment until the end of July. By the Armistice all four regiments were configured as aircraft repair and maintenance units, and designated Air Service Mechanics Regiments . The primary aircraft used by the AEF at the front (the "Zone of Advance") were the SPAD XIII (877), Nieuport 28 (181), and SPAD VII (103) as pursuit aircraft, the DeHaviland DH-4B (696) and Breguet 14 (87) for daylight bombing, and
5445-533: The 9th Observation, was formed. The 7th Bombardment and 8th Fighter Groups were designated but not activated until the end of the decade. Sect. 13a. There is hereby created an Air Service. The Air Service shall consist of one Chief of Air Service with the rank of major-general, one assistant with the rank of brigadier-general, 1,514 officers in grades from colonel to second lieutenant, inclusive, and 16,000 enlisted men, including not to exceed 2,500 flying cadets... — Section 13a, Public Law 242, 41 Stat . 759 With
5610-827: The AEF accelerated in December and January, and all but two of these squadrons returned to the United States. Mitchell was replaced in January as commander of the Third Army Air Service by Col. Harold Fowler , a combat veteran of the Royal Flying Corps and former commander of the American 17th Pursuit Squadron. On April 15, 1919, the Second Army Air Service in France also closed down. Its former air units were transferred to
5775-564: The Air Service Concentration Barracks at Saint-Maixent received all newly arrived Air Service troops, distributing them to 26 training fields and schools throughout the central and western regions of the country. Flying training schools, equipped with 2,948 airplanes, supplied 1,674 fully trained pilots and 851 observers to the Air Service, with 1,402 pilots and 769 observers serving at the front. The observers trained in France included 825 artillery officers from
5940-570: The Air Service branch, receiving new commissions. During the war its responsibilities and functions were split between two coordinate agencies, the Division of Military Aeronautics (DMA) and the Bureau of Aircraft Production (BAP), each reporting directly to the Secretary of War, creating a dual authority over military aviation that caused unity of command difficulties. The seven-year history of
6105-581: The Air Service consisted of 185 flying, 44 construction, 114 supply, 11 replacement, and 150 spruce production squadrons; 86 balloon companies; six balloon group headquarters; 15 construction companies; 55 photographic sections; and a few miscellaneous units. Its personnel strength was 19,189 officers and 178,149 enlisted men. Its aircraft inventory consisted primarily of Curtiss JN-4 trainers, de Havilland DH-4B scout planes, SE-5 and Spad S.XIII fighters, and Martin MB-1 bombers. Complete demobilization of
6270-631: The Air Service destroyed 756 enemy aircraft and 76 balloons in combat. 17 balloon companies also operated at the front, making 1,642 combat ascensions. 289 airplanes and 48 balloons were lost in battle. The Air Service was the first form of the air force to have an independent organizational structure and identity. Although officers concurrently held rank in various branches, after May 1918 their branch designation in official correspondence while on aviation assignment changed from "ASSC" (Aviation Section, Signal Corps) to "AS, USA" (Air Service, United States Army). After July 1, 1920, its personnel became members of
6435-519: The Air Service of the 2d French Colonial Corps were located at Rumont, to the northeast of Bar-le-Duc . The V Corps group occupied Souilly Aerodrome . With the exception of the V Corps group, each Corps Air Service was established and ready for operations by the first week in September. The V Corps group was not completed until the day of the Battle of Saint-Mihiel , when the 88th Squadron arrived from
6600-474: The Air Service to that desired by the General Staff to maintain the aviation arm as an auxiliary component controlled by ground commanders in furtherance of the mission of the infantry. A Chief of Air Service was authorized with the rank of major general to replace the previous Director of Air Service , and an assistant chief created in the rank of brigadier general (from 1920 to 1925 this position
6765-412: The Air Service was accomplished within a year. By November 22, 1919, the Air Service had been reduced to one construction, one replacement, and 22 flying squadrons; 32 balloon companies; 15 photographic sections; and 1,168 officers and 8,428 enlisted men. The combat strength of the Air Service was only four pursuit and four bombardment squadrons. Although the leaders of the reorganized Air Service persuaded
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6930-634: The Air Service was housed in the Munitions Building in Washington, D.C., and consisted of an executive staff including the chiefs of the Finance and Medical Sections, and four divisions, each administered by a chief: Personnel Group, Information Group (Intelligence), Training and War Plans Group, and Supply Group. V Corps Observation Group The V Corps Observation Group was an Air Service, United States Army unit that fought on
7095-687: The Air Service, with 6,811 in France, conducting and supporting the dangerous duty of spotting for the artillery at the front. In all, 211 squadrons of all types trained in Great Britain, with 71 arriving in France before the Armistice. At its peak establishment in November 1918, the Air Service was based at 31 stations in the Services of Supply (rear areas) and 78 aerodromes in the Zone of Advance (combat area). The 740 combat airplanes equipping
7260-776: The Allies. A byproduct of the training program was the creation of the American airmail system . On May 3, 1918, Col. Henry H. Arnold , Assistant Director of the DMA, was ordered to put together a daily route for moving mail by airplane between New York City , Philadelphia , and Washington, D.C. He assigned the task to the Executive Officer for Flying Training, Major Reuben H. Fleet . The Air Service, using six pilots (four instructor pilots and two new graduates) and six Curtiss JN-4H "Jenny" trainers modified to carry mail, began
7425-736: The American Expeditionary Force.) It delayed the appointment of a director as long as the BAP operated as a separate executive bureau. In August, the Senate completed its investigation of the Aircraft Board, and while it found no criminal culpability, it reported that massive waste and delay in production had occurred. As a result, the Director of Aircraft Production (who was also chairman of the Aircraft Board), John D. Ryan,
7590-578: The American aircraft fleet. Of aircraft manufactured in America, the de Havilland DH-4B (3,400) was the most numerous, although only 1,213 were shipped overseas, and only 1,087 of those assembled, most used in observation units. The facilities of the Air Service in the United States totaled 40 flying fields, 8 balloon fields, 5 schools of military aeronautics, 6 technical schools, and 14 aircraft depots. 16 additional training schools were located in France, and officers also trained at three schools operated by
7755-501: The American pursuit squadrons in existence, with the exception of the 17th and 148th Aero Squadrons , which were operating with the British, were concentrated in the 1st Pursuit Wing, with headquarters at Toul, and the 1st Pursuit Group, with headquarters at Rembercourt Aerodrome . The 1st Pursuit Wing consisted of the 2d and 3d Pursuit Groups ; the 2d Pursuit Group composed of the 13th , 22d , 49th and 139th Aero Squadrons , and
7920-719: The Army and Navy. Aided by a wave of pacifism following the war that drastically cut military budgets, opponents of an independent air force prevailed. The Air Service was renamed the Army Air Corps in 1926 as a compromise in the continuing struggle. Although war in Europe prompted Congress to vastly increase the appropriations for the Aviation Section in 1916, it nevertheless tabled a bill proposing an aviation department incorporating all aspects of military aviation. The declaration of war against Germany on April 6, 1917, putting
8085-497: The Army's most experienced divisions, and Mitchell was appointed Chief of Air Service, Third Army, on November 14, 1918. As with the ground forces, the most veteran units of the Air Service were selected to form the new Air Service. A pursuit unit, the 94th "Hat in the Ring" Aero Squadron; a day bombardment squadron, the 166th; and four observation squadrons (1st, 12th, 88th, and 9th Night) were initially assigned. The demobilization of
8250-498: The Army, Navy and industry, to study the Europeans' experience in aircraft production and the standardization of aircraft parts. The Board dispatched Major Raynal C. Bolling , a lawyer and military aviation pioneer, together with a commission of over 100 members, to Europe in the summer of 1917 to determine American aircraft needs, recommend priorities for acquisition and production, and negotiate prices and royalties. Congress passed
8415-635: The Aviation School in San Diego, then served as executive officer of the school to gain administrative experience in aviation matters. Mitchell, Bolling and Dodd were promoted to colonel and given senior positions in the Air Service hierarchy. Bolling was made Director of Air Service Supply (DASS) to administer the "Zone of the Line of Communications" (sic), later called the Service of Supply, and Dodd
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#17327728576668580-407: The Aviation Section developed a maintenance organization of four large units termed Motor Mechanics Regiments, Signal Corps , each regiment consisting of four battalions of five companies totaling more than 3,600 men. The key innovative element was the use of junior officers recruited from the automobile industry as "technical officers" to supervise maintenance. In February 1918, Colonel S.D. Waldon of
8745-560: The BAP and DMA into the Air Service, United States Army . Anticipating the order, Director of Air Service Maj. Gen. Charles Menoher undertook a sweeping re-organization on March 15, using the " divisional system " of the AEF as a model. Menoher created an advisory board representing the key branches of the Army, and appointed an Executive to coordinate policy between four groups, each headed by an Assistant Executive: Supply, Information, Training and Operations, and Administrative. With
8910-665: The Chateau-Thierry Sector was under the command of First Army. The Assistant Chief of Air Service, Zone of Advance, felt it was necessary to coordinate the observation groups of First Army with the pursuit groups. On 10 August 1918, the First American Army Air Service was established. The unit was formally organized on 26 August at Ligny-en-Barrois , France. It consisted of the French Aerial Division, which consisted of
9075-546: The Chief of Air Service, First Army, made certain plans for the pursuit units for the attack. He decided to utilize the American pursuit all along the front for the purpose of protective barrage at all altitudes, with incidental duties as occasion arose, of a more combative nature, such as ground strafing, balloon destruction, and offensive patrols. Offensive patrols cross the enemy line in sufficient strength to cruise over his rear area, search out enemy aircraft, and attack them, with
9240-532: The Chief of Staff, First Army for strategic reconnaissance missions deep behind German lines to be carried out by the First Army Observation Group. These targets were various artillery objectives, to be photographed just before and on every day during the attack until further notice. A continuous barrage of observation planes was to be maintained over enemy territory throughout the entire day. Formations of three planes were scheduled to leave
9405-643: The DH-4 and Salmson 2 A.2 (557) for observation and photo reconnaissance. The SE-5 operated as the main trainer for the Air Service. Balloon companies operated the French-designed Goodyear Type R, a winch-tethered, hydrogen -filled, captive " Caquot " observation balloon of 32,200 cubic-foot (912 cubic meters) capacity, deploying one balloon per company. The United States adopted a national insignia for all military aircraft in May 1917 using
9570-406: The First Army Air Service dates to the first American Air Service personnel arriving in France. On 15 January 1918, Colonel William Mitchell was appointed Chief of the Air Service, I Corps, First Army. At this time, the I Corps was being formed for the purpose of administratively handling all of the American troops then on the Western Front . Headquarters was located at Neufchâteau , France. When
9735-543: The First Army, the 91st worked under orders of the Chef de I'Aeronautique of the 8th French Army. The group added two new aero squadrons, the 24th and the 9th , but as these had not had actual battle experience, they did little work other than perfecting their own training. The 91st Aero Squadron, therefore, took care of all of the long-range day reconnaissances. 1st Day Bombardment Group had its beginning 18 May 1918, when
9900-572: The French 91st Balloon Company at the front near Royaumeix on February 26, 1918. On March 5 it took over the line and began operations supporting the U.S. 1st Division , becoming the "first complete American Air Service unit in history to operate against an enemy on foreign soil." By the beginning of the Meuse-Argonne Offensive the Air Service AEF consisted of 32 squadrons (15 pursuit, 13 observation, and 4 bombing) at
10065-509: The French at Issoudun, Clermont-Ferrand , and Tours, respectively. By November 11, 1918, the Air Service both overseas and domestically had 195,024 personnel (20,568 officers; 174,456 enlisted men) and 7,900 aircraft, constituting five per cent of the United States Army. 32,520 personnel served in the Bureau of Aircraft Production and the remainder in the Division of Military Aeronautics. The Air Service commissioned over 17,000 reserve officers. More than 10,000 mechanics were trained to service
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#173277285766610230-410: The French squadrons, but most of them made their first flights over the lines during this offensive. The two new squadrons operated De Havilland DH.4 airplanes, with Liberty motors. The armament was the same as that of the French Breguet, save that the pilot had two Marlin machine guns, synchronized to shoot through the propeller. The De Havilland DH.4s carried the British Wimperis bomb sight attached to
10395-411: The General Staff to increase the combat strength to 20 squadrons by 1923, the balloon force was demobilized, including dirigibles , and personnel shrank even further, to just 880 officers. By July 1924, the Air Service inventory was 457 observation planes, 55 bombers, 78 pursuit planes, and 8 attack aircraft, with trainers to make the total number 754. The Air Service replaced its wartime structure with
10560-492: The Salmson. During the inactive period on the Toul sector covering the late spring and summer of 1918 and up to the St. Mihiel offensive which commenced on 12 September, army observation in the American Air Service was carried out by one unit, the 91st Aero Squadron . The 91st served as a nucleus for the long-range reconnaissance missions for First Army; while the various Corps observation groups were used for battlefield, tactical observation missions. Previous to its assignment to
10725-410: The Services of Supply. A major air depot at Colombey-les-Belles ; three other maintenance depots at Behonne , LaTrecey , and Vinets ; four supply depots at Clichy , Romorantin , Tours , and Is-sur-Tille ; and 12 air park squadrons maintained the combat and training forces. Aircraft acquired from European sources were accepted at Aircraft Acceptance Park No. 1 at Orly , while those shipped from
10890-427: The Signal Corps returned from observing British factory and field methods in aviation operations, just as the Bureau of Aircraft Production concluded that the French were unable to meet their aircraft production goals. Waldon recommended that the regiments be reorganized for aircraft instead of automobile mechanics. The change came too late to affect the 1st and 2nd Regiments, which landed in France in March 1918, but both
11055-485: The St. Mihiel offensive. The Air Service of the 33d French Corps was made up of French squadrons with headquarters at Beauzee. The III Corps Observation Group was located on the aerodromes at Souilly Aerodrome , Vavincourt Aerodrome , and Beauzee Aerodromes. The group comprised the 88th and 90th Aero Squadrons and three French squadrons. The V Corps Observation Group included the 99th and 186th Aero Squadrons and two French squadrons. The V Corps Observation Group
11220-456: The Third Army Air Service in Germany. The Third Army and its air service were inactivated in July 1919 after the signing of the Treaty of Versailles . Aviation Officer, AEF Chiefs of Air Service, AEF "Though the casualties in the air force were small compared with the total strength, the casualty rate of the flying personnel at the front was somewhat above the Artillery and Infantry rates... The results of allied and American experience at
11385-402: The United States and were assigned to newly created squadrons or as instructors. 1,609 more were commissioned in Europe, with their commissions backdated in February and March 1918 to those of their peers trained in the United States. Pilots in Europe completed an advanced phase in which they received specialized training in pursuit, bombing, or observation at Air Service schools acquired from
11550-404: The United States for assembly in France were delivered to Air Service Production Center No. 2, built on the site of a former pine forest at Romorantin. Ferry operations of over 6,300 new aircraft to the air depots in "often...far from perfect" weather conditions resulted in the successful delivery of 95% and the loss of only eight pilots. A large training establishment was also set up. In France
11715-592: The United States in World War I , came too quickly (less than eight months after its use in Mexico chasing Pancho Villa ) to solve emerging engineering and production problems. The reorganization of the Aviation Section had been inadequate in resolving problems in training, leaving the United States totally unprepared to fight an air war in Europe. The Aviation Section consisted of 131 officers, 1087 enlisted men, and approximately 280 airplanes. The administration of President Woodrow Wilson created an advisory Aircraft Production Board in May 1917, consisting of members of
11880-519: The Vesle. The one new squadron of the I Corps group, the 50th Aero, had but recently arrived at the front. It was equipped with Airco DH.4 airplanes with the new Liberty engine. Two of the three American squadrons of the IV Corps group were also equipped with the De Havilland DH.4 Liberty; the 90th Squadron had French Salmson 2.A2 airplanes. In the V Corps group all squadrons were equipped with
12045-464: The aerodrome at intervals of two hours, beginning at daybreak, to reconnoiter the enemy's rear areas. It was considered necessary to employ formations of at least three planes, as there was no pursuit protection available and the friendly pursuit patrols did not penetrate the enemy lines to the same depth that the army reconnaissance planes were required to go. It was certain all these planes would be vigorously attacked by enemy aircraft. However, owing to
12210-440: The airplane observer during the coming offensive. All operations were greatly hindered by the unfavorable weather which prevailed during the early days of September. The 1st Day Bombardment Group was formed two days before the offensive opened, and included the 11th , 20th , and 96th Aero Squadrons . The 11th and 20th Squadrons had not completed their squadron organization. Some of their pilots and observers had seen action with
12375-437: The area Lionville, Beuconville, Domeurs, Francheville, Becq and Gironville. The Wing commander divided the sector for this purpose into two areas, the western running from St. Mihiel to Essey, both inclusive, and the eastern, Seicheprey to Pont-sur-Seille, both inclusive, and gave orders that a double tier barrage should be maintained from daylight to dark over these sectors. The low patrol, acting at from 2,500 to 3,500 meters, and
12540-530: The armistice, the AEF actually received 4,874 aircraft from the French, in addition to 258 from Great Britain, 19 from Italy, and 1,213 of American manufacture, for a total of 6,364 airplanes. 1,664 were classed as training craft. The United States recognized that French skilled labor was severely limited by war casualties, and promised to train and deploy 7,000 automobile mechanics to aid the French Motor Transport Corps. In December 1917
12705-413: The attack was launched, a heavy mist, low-lying cloud banks, and intermittent rain combined to make all aerial observation extremely difficult. Notwithstanding this fact, command airplanes for the corps and divisions, infantry contact patrols, and artillery surveillance airplanes performed their respective missions throughout the hours of daylight. The command was thus kept informed of the general progress of
12870-559: The attack, which commenced on 1 November. The areas opposite the American front were reconnoitered and photographed thoroughly, but the work was done in the face of intense opposition by hostile aircraft. One of the most valuable pieces of work carried out during the last three days of October was the photographing of the army artillery objectives at Montmedy, Longuyon, Spincourt, Dommary-Baroncourt and Conflans. The enemy had protected these points by intense antiaircraft barrages, and high patrols of pursuit planes, but in spite of these obstacles,
13035-450: The battle and at periodic intervals was given the first line of our advancing troops located by observers executing the missions of infantry contact. Missions operating in cooperation with the artillery were unable, on account of atmospheric conditions, to accomplish much work of value in the regulation of artillery fire on fugitive targets, but, taking advantage of momentary gaps in the clouds and mist, they were able to observe and report upon
13200-402: The best enemy flights operated along the sector and observation airplanes were repeatedly attacked, but in the majority of cases successfully defended themselves and accomplished their assigned missions. On 15 September, unfavorable weather again greatly hindered aerial operations; the work done was similar to that accomplished during the first two days of the offensive. Targets were indicated by
13365-472: The cadets, the French requested that further movement of cadets be halted because of training backlogs of as much as six months, and no further student pilots were sent to France until they had completed their primary training and been commissioned. During the backlog, more than 1,000 cadets were used as cooks, guards, laborers and other menial jobs, while paid at cadet salary (in the grade and rank of private first class ), for which they became derisively known as
13530-421: The clouds and to safety in case of the appearance of enemy aircraft, or when especially heavy and accurate anti-aircraft fire was encountered. During the first day the enemy territory was successfully reconnoitered to a depth of 60 kilometers. Not one mission was carried out at an altitude exceeding 1,000 meters. This was accomplished without the loss of a single plane or even a single casualty. However, because of
13695-462: The colors specified for the U.S. flag, consisting of a white five-pointed star inside of a blue circumscribed circle, with a red circle in the center of the star having a diameter tangent to the pentagon of the interior points of the star. The insignia was ordered painted on both wingtips of the upper surface of the top wing, the lower surface of bottom wings, and the fuselage of all Army aircraft on 17 May 1917. However due to concerns about confusion with
13860-427: The combat units balked at taking orders from Foulois' non-flying staff. Considerable house-cleaning of the existing staff resulted from Patrick's appointment, bringing in experienced staff officers to administrate, and tightening up lines of communication. Pershing had in September 1917 called for creation of 260 U.S. air combat squadrons by December 1918, but slowness of the buildup reduced that on August 17, 1918, to
14025-424: The control systems being used in Europe. Like the rest of the Army, the Aviation Section concluded that training Reserve officers was the solution to its manpower needs and sent a panel of three representatives from each of six U.S. universities to Toronto from 7 to 11 May 1917 to study Canada 's pilot training program. The Chief Signal Officer assigned Major Hiram Bingham III , an adventurer and reserve officer on
14190-433: The corps and division sectors was carried out as a routine matter at dawn and twilight of each day. A few other special visual reconnaissance missions were dispatched to secure information of a particular nature in well-defined areas. The work of visual reconnaissance was valuable only in that it kept the command informed at all times of the situation in the enemy lines opposite each corps. The information secured in this manner
14355-547: The course of the flight. Protection by pursuit patrols from the nearest pursuit group was utilized to a large extent by photographic missions dispatched from the III Corps Observation Group, and with excellent results. On the other hand, the missions of a like nature sent out from the I and V Corps groups employed for the most part biplace protection offered by airplanes from the groups themselves. The pursuit protection, however, ceased to operate close in to
14520-617: The day there were high winds, and rain fell intermittently. The usual functions of the pursuit aviation could not be performed, but the pursuit planes were used to secure valuable information and to harass by machine-gun and bombs the retreating enemy. Many favorable objectives presented themselves, especially over the Vigneville-Chambley and the Vigneulles St. Benoit roads. The 3d Pursuit Group, equipped its airplanes with bombs, and an these roads, together with assistance of
14685-402: The duration of the war plus six months the statutory responsibilities of the Aviation Section and removed the DMA entirely from the Signal Corps (reporting directly to the Secretary of War). The DMA was assigned the function of procuring and training a combat force. In addition, the executive order created a Bureau of Aircraft Production (BAP), a military organization with a civilian director, as
14850-399: The enemy territory. Such missions, which require the greatest care, were assigned to flying teams of long experience. To attain success in them it was necessary that both pilot and observer be thoroughly familiar with the exact locality to be photographed so that no mistake would be made in securing photographs of the exact points desired. Unfavorable weather prevailed, to such an extent that it
15015-540: The existing unfavorable conditions. The team did not return. It was later learned that the Breguet came down in flames south of Commercy, while returning to the aerodrome. The mission had been accomplished. After this first loss of the offensive it was decided to send all the airplanes on single missions, and not dissipate the strength of the squadron in small formations. The casualties of the bombers were heavy. The 96th Aero Squadron lost sixteen pilots and observers during
15180-547: The faculty of Yale , to organize a training program on the Canadian model. A three-phase Flying Cadet program came into being, and although systematic, pressing needs for manpower saw many overlaps of the phases. The first phase was an eight-week ground school course conducted by the Schools of Military Aeronautics Division, organized at the six (later eight) American universities, and commanded by Bingham. The first class at
15345-669: The first American Aero Squadrons arrived at the front in April 1918, they were assigned to the quiet Toul Sector. At this time, the American Air Service on the front consisted of only a few Aero Squadrons of the 1st Pursuit Group . At the end of June, 1918, Air Service, I Corps moved from the Toul Sector to the Château-Thierry Sector as part of I Corps. The I Corps Observation Group was already in
15510-408: The first aerial victory by the U.S. military while flying as a gunner-observer with a French day bombing squadron on February 5, 1918. As other squadrons were organized, they were sent overseas, where they continued their training. The first U.S. squadron to see combat, on February 19, 1918, was the 103rd Aero Squadron , a pursuit unit flying with French forces and composed largely of former members of
15675-520: The first four days of the attack, which is a high percentage of loss even in a day bombardment unit. The 11th Aero Squadron lost twelve of its flying personnel, and the 20th Aero Squadron three. The total casualties of the group for the offensive numbered thirty-one. However, the work done by day bombardment during the St. Mihiel offensive is worthy of praise. The terrific weather made formation flying, upon which bombing depends, almost impossible. The muddy flying field caused so many broken propellers that
15840-447: The first of these being the I Corps Observation Group , organized in April 1918 to patrol the Toul Sector between Flirey and Apremont in support of the U.S. 26th Division . On May 5, 1918, the 1st Pursuit Group was formed, and by the armistice the AEF had 14 heavier-than-air groups (7 observation, 5 pursuit, and 2 bombardment). Of these 14 groups, only the 1st Pursuit and 1st Day Bombardment Groups had their lineage continued into
16005-588: The formation of six permanent groups in 1919, four of which were based in the United States and two overseas. The first of the new groups, the Army Surveillance Group, was organized in July to direct the operations of three squadrons patrolling the border with Mexico, where revolution had broken out, from Brownsville, Texas to Nogales, Arizona . In addition, the 1st Day Bombardment Group was formed to control four bombardment squadrons at Kelly, while
16170-412: The formations which crossed the lines were never large enough for self-protection. The main lesson learned from this offensive was that large formations must be employed by day bombardment when the enemy aircraft opposition is strong and persistent. As it was impossible to obtain sufficient replacements in airplanes and spare parts the formations were small and the losses heavy. On 12 September, throughout
16335-506: The front indicate that two aviators lose their lives in accidents for each aviator killed in battle." — Report of the Secretary of War, 1919 The Air Service, American Expeditionary Force, totaled 78,507 personnel (7,738 officers and 70,769 enlisted men) at the armistice. Of this total, 58,090 served in France; 20,075 in England; and 342 in Italy. Balloon troops made up approximately 17,000 of
16500-670: The front, while by November 11, 1918, 45 squadrons (20 pursuit, 18 observation, and 7 bombardment ) had been assembled for combat. During the war, these squadrons played important roles in the Battle of Château-Thierry , the St-Mihiel Offensive , and the Meuse-Argonne. Several units, including the 94th Pursuit Squadron under the command of Capt. Eddie Rickenbacker , and the 27th Pursuit Squadron , which had "balloon buster" 1st Lt. Frank Luke as one of its pilots, achieved distinguished records in combat and remained
16665-681: The front. The organization was demobilized in France on 15 April 1919 with the demobilization of the United States First Army. It was reconstituted in the Organized Reserve on 15 October 1921 as Headquarters, First Army Air Service, assigned to the First Army and allotted to the First Corps Area . It was then allotted to the Regular Army in 1928, and then inactivated in December 1929. The history of
16830-485: The ground schools began 21 May 1917 and concluded 14 July 1917, graduating 147 cadets and enrolling another 1,430. By mid-November, 3,140 had graduated and more than 500 had become rated officers . Out of more than 40,000 applicants, 22,689 were accepted and 17,540 completed ground school training. Approximately 15,000 advanced to primary (preliminary) flying training, a six-to-eight week course conducted by both military and civilian flying instructors, using variants of
16995-453: The group. The I Corps group was located in the vicinity of Toul on two aerodromes. The 1st and 12th Aero Squadrons were stationed at Gengault Aerodrome just east of Toul, which had formerly been occupied by the 1st Pursuit Group in the spring of 1918. The 50th Aero and 211th (French) Squadrons occupied the newly constructed Bicqueley Aerodrome , just south of Toul. The IV Corps group entire occupied Ourches Aerodrome . The French squadrons of
17160-475: The higher patrol at from 3,500 to 5,500 meters. Each patrol overlapped by 15 minutes, and were not permitted to penetrate over the enemy lines more than five kilometers. By 5 September, the wing had made an area approximately 5 kilometers over the enemy's lines practically safe for corps observation machines to operate. Some close protection work was ordered to act in cooperation with the army reconnaissance squadron, and one particularly dangerous balloon near Mont Sec
17325-451: The hours of daylight. Command airplanes, infantry contact patrols, and visual reconnaissance missions kept the command well informed as to the progress of the attacking troops and of the situation within the enemy lines to a depth of 8 kilometers. Photographic missions were executed and resulted in a large number of successful photographs of the enemy's front-line positions. Artillery surveillance airplanes secured much valuable information which
17490-1042: The infantry divisions who volunteered to fill a critical shortage in 1918. After the Armistice, the schools graduated 675 additional pilots and 357 observers to serve with the Third Army Air Service in the Army of Occupation . The 3rd Aviation Instruction Center at Issoudun provided 766 pursuit pilots. 169 students and 49 instructors died in training accidents. Balloon candidates made 4,224 practice ascensions while training. Air Service combat losses were 289 airplanes and 48 balloons with 235 airmen killed in action, 130 wounded, 145 captured, and 654 Air Service members of all ranks dead of illness or accidents. Air Service personnel were awarded 611 decorations in combat, including 4 Medals of Honor and 312 Distinguished Service Crosses (54 were oak leaf clusters ). 210 decorations were awarded to aviators by France, 22 by Great Britain, and 69 by other nations. Executive Order 3066, issued by President Wilson on March 19, 1919, formally consolidated
17655-472: The lines. Most of the enemy aviation is concentrated in the region of Metz, especial attention will be paid to the sector between the Meuse and Chatillon. The unfavorable weather encountered during the St. Mihiel Offensive continued the greater part of the time between 26 September and 11 November. There were occasional ideal flying days, but for the most part weather conditions were poor to impossible and proved
17820-514: The location of such targets from time to time and to furnish other information of considerable value to the artillery. The work accomplished on 13 September was virtually a repetition of that of the 12th, for the same unfavorable weather conditions continued. 14 September was the one day during the offensive which was favorable for the conduct of aerial operations by the Corps Air Service. Missions of every type were dispatched, throughout
17985-418: The machine guns of the 2nd and 1st Pursuit Groups, constantly threw into confusion the retreating German forces. Owing to weather conditions on the opening day, few large patrols were used, and many individual reconnaissances were made by pursuit pilots of the lst, 2d and 3d Group. Often single aircraft determined and reported the advance of our front line, actually flying down to 50 meters, and co-operating with
18150-723: The mail service on May 15. It later extended the route to Boston and added Curtiss R-4LMs to its small fleet, carrying mail until August 12, 1918, when the U.S. Post Office took over. Sent to Europe in March 1917 as an observer, Lieutenant Colonel Billy Mitchell arrived in Paris just four days after the United States declared war and established an office for the American "air service." Upon his arrival in France in June 1917, American Expeditionary Force commanding general John J. Pershing met with Mitchell, who advised Pershing that his office
18315-629: The markings of enemy aircraft , in early 1918 a red, blue, and white roundel similar to those used by the Allied Powers, in the former color arrangement of the defunct Imperial Russian Air Service , was instead ordered painted on all U.S. aircraft operating in Europe, remaining in effect until 1919. On May 6, 1918 Foulois established a policy authorizing creation of emblems for aviation units, and ordered all squadrons to create an official insignia to be painted on each side of an airplane fuselage: "The squadron will design their own insignia during
18480-590: The matter of aerodromes, the enemy was better off than the First American Army, and possessed many small fields within access of any part of the front line. Several aerodromes were unoccupied, and were in such condition that they could be utilized quickly by reinforcements, their barracks and hangars being more or less serviceable. For the Americans, almost every available field had been taken up and they were short in hangars and billet space, so that by
18645-489: The methods ordinarily used. The photographic missions undertaken during the period from 26 September to 11 November were in almost every case confined to the taking of photographs of well-defined areas of particular interest to the G-2 section of the corps and Army staffs. Atmospheric conditions were so infrequently favorable to the taking of large numbers of photographs that those possible were necessarily directed to cover areas of
18810-428: The mission to maintain protective patrols within the enemy's lies for the defense of our army corps air service and to attack enemy reconnaissance planes, but it will also be necessary from time to time to take the offensive with a display of dominating force, sending out powerful expeditions so as to cover intermediate and high altitudes and to sweep the air clear of enemy aviation up to a depth, 10 or 12 kilometers inside
18975-641: The more precise American manufacturing methods. At the same time the Aeronautical Division of the OCSO was renamed the Air Division with continued responsibility for training and operations but with no influence on acquisition or doctrine. In the end the decision-making process in aircraft procurement was badly fragmented and production on a large scale proved impossible. The Aircraft Board came under severe criticism for failure to meet goals or its own claims of aircraft production, followed by
19140-467: The morning hours. However, its squadrons were available for an offensive operation in the afternoon, and vice versa. The group assigned to patrol in the afternoon will be on the alert in the morning to carry out an offensive operation, in which the entire group may be called upon to participate at medium and high altitudes, penetrating about 12 kilometers beyond our advancing lines to clean the air of enemy aviation. The 2d and 3d Pursuit Groups were assigned
19305-430: The morning of 26 September with ideal weather conditions. On the four days previous low clouds and rain had prevented any effective work from being carried out. This had a decided effect on the first days work, due to lack of familiarity with the terrain. This fact, coupled with the activity of the hostile air forces, interfered greatly with the success of the photographing of the artillery objectives, and to some extent with
19470-409: The most immediate interest to the staff. A considerable number of missions were devoted to the securing of oblique photographs, as had been the case during the preparation of the St. Mihiel offensive. Such photographs were of value particularly with respect to the preparation of plans for the advance of the divisional infantry. At other times, it became necessary to photograph certain sensitive points in
19635-576: The necessity of forming an "air force" to centralize control over tactical aviation. In the St-Mihiel Offensive, commencing September 12, 1918, the American and French offensive against the German salient was supported by 1,481 airplanes directed by Mitchell, totaling 24 Air Service, 58 French Aéronautique Militaire , and three Royal Air Force squadrons in coordinated operations. Observation and pursuit planes supported ground forces, while
19800-466: The object of causing maximum casualties and inflicting the greatest possible damage to his air service, and with the further object of obtaining definite moral superiority. In August 1918, the situation of the enemy in the St. Mihiel sector was approximately the same as that described in Toul sector. The sector of the front from Saint-Mihiel north to Châtillon-sous-les-Côtes was organized in approximately
19965-464: The objectives were photographed both before and after registration fire, allowing the artillery to fire effectively during the attack. The missions assigned varied in character; from verifying reports as to the location of the front lines, to the seeking out of enemy reserves at points where counter-attacks were expected. This work was carried out by single planes flying at extremely low altitudes. The command planes sometimes penetrated hostile territory to
20130-692: The other two-thirds of the aerial force bombed and strafed behind enemy lines. Later, during the Meuse-Argonne offensive , Mitchell employed a smaller concentration of airpower, nearly all American this time, to keep the German army on the defensive. Promptly after the armistice, the AEF formed the Third United States Army to march immediately into Germany, occupy the Coblenz area, and be prepared to resume combat if peace treaty negotiations failed. Three corps were formed from eight of
20295-552: The outside of the fuselage. This sight permitted the observer to aim at the target while standing, a position which kept him in readiness to fight off an attack by hostile aircraft. During the period preparatory to the attack, from 29 August to 12 September, the 1st Pursuit Wing, working on the front between the Meuse and the Moselle Rivers , maintained patrols sufficient to prevent any reconnaissance, visual or photographic, of
20460-527: The passage of the National Defense Act, June 4, 1920 (Public Law 66-242, 41 Stat . 759-88), the Air Service was statutorily recognized as a combatant arm of the line along with the Infantry , Cavalry , Field Artillery , Coast Artillery , Corps of Engineers , and Signal Corps , and given a permanent organization with a fixed complement of personnel. However this also legislated the form of
20625-468: The period of organizational training. The design must be submitted to the Chief of Air Service, AEF, for approval. The design should be simple enough to be recognizable from a distance." The first U.S. aviation squadron to reach France was the 1st Aero Squadron , which sailed from New York in August 1917 and arrived at Le Havre on September 3. A member of the squadron, Lt. Stephen W. Thompson , achieved
20790-463: The photographic airplane as in the Mame sector. It was found that better results could be obtained by flying a more or less erratic course some 500 meters above the photographic airplane. This method allowed the pursuit airplanes to retain the advantage of their maneuverability and at the same time to assure to the photographic mission considerable protection in the event of attack. The attack commenced on
20955-517: The post-war Air Service was marked by a prolonged debate between adherents of airpower and the supporters of the traditional military services about the value of an independent Air Force. Airmen such as Brig. Gen. Billy Mitchell supported the independent air concept. The Army's senior leadership from World War I , the United States Navy , and the majority of the nation's political leadership favored integration of all military aviation into
21120-431: The post-war Air Service. In July 1918 the AEF organized its first wing formation, the 1st Pursuit Wing, made up of the 2d Pursuit, 3rd Pursuit, and 1st Day Bombardment Groups. Each army and corps echelon of the ground forces had a chief of air service designated to direct operations. The Air Service, First Army was activated August 26, 1918, marking the commencement of large scale coordinated U.S. air operations. Foulois
21285-450: The preparation of detailed plans for the attack. No great amount of adjustment of artillery fire took place, due to the necessity of veiling all preparations for the offensive. The shoots executed were therefore merely those necessary to register the fire of a few batteries on certain points. Exercises were conducted as frequently as possible in each corps for the purpose of preparing the infantry and artillery to cooperate successfully with
21450-406: The prevailing adverse weather conditions, it was necessary to disregard the schedules that were prepared the preceding day as the low hanging clouds rendered formation flying impossible. Photography was out of the question. Single planes were dispatched whenever the weather permitted. The planes were required to fly at low altitudes, under the clouds but proved successful, in that they could climb into
21615-541: The rapid increase in numbers of enemy pursuit planes as the battle progressed, the successful reconnoitering of the enemy back areas became extremely difficult. The reinforcing enemy pursuit was largely equipped with the Fokker D VII scouts. This plane had a considerable advantage in climbing speed over the Salmson. However, the horizontal speed of the latter plane was greater at high altitudes, thereby enabling it to break off
21780-421: The same manner as the Toul or Saint-Mihiel sector. The enemy was favored by the terrain, which offered many natural positions of great strength. These positions had been well organized for a prolonged defense. Some intimation of an impending allied offensive in this sector had reached the enemy, and immediately preceding the attack of 12 September he commenced a redistribution of his available forces, especially with
21945-562: The sector east of the Moselle river it was found expedient to send bombing expeditions against the bridges, and bridgeheads, between Pont-a-Mousson and Metz . The main object of day bombardment during the offensive was to throw into confusion and destroy enemy troops marching into, or retreating from battle. During the days of exploitation the bombers continued to hamper as much as possible the enemy's withdrawal of personnel and material. Late at night, 11 September, orders were received to hold
22110-512: The signing of the Treaty of Versailles on June 28, 1919, President Wilson relinquished his war powers under the Overman Act, and on July 11 Congress granted legislative authority to continue the Air Service as a temporary independent branch of the War Department for another year, easing fears of airmen that the Air Service would be demobilized out of existence. At the end of November 1918,
22275-403: The squadrons in the group were sent out on this work successfully. Night Reconnaissance work promised to bring in valuable information, since most military movements of importance are made at night. In order that it may be performed successfully, perfect conditions of visibility and a highly trained personnel were necessary. Air Service, United States Army In France, the Air Service of
22440-497: The tactical situation made such action expedient. The establishment of the First Army Air Service marked the first concentration of American air forces under its own commander. The front of the First Army, extending from Châtillon-sous-les-Côtes to Pont-sur-Seille, insofar as aviation was concerned, had been very quiet for some time. The enemy performed his photographic reconnaissances with single aircraft, flying at high altitudes, and his pursuit patrols were small and infrequent. In
22605-540: The time or infrastructure in the United States to equip units to send overseas using aircraft designed and built in the U.S., the AEF Air Service acquired Allied aircraft designs already in service with the French and British air services. On August 30, 1917, the American and French governments agreed to a contract for the purchase of 1,500 Breguet 14 B.2 bombers-reconnaissance planes; 2,000 SPAD XIII and 1,500 Nieuport 28 pursuits for delivery by July 1, 1918. By
22770-409: The time the allocation of aviation units had been made to the First Army, the problems of locating and housing the units was a serious one. The Corps Air Service of each corps operating under First Army was made up of one squadron for each division and one squadron for the corps. The Air Service of the 2d Colonial Corps consisted entirely of French squadrons. The I Corps observation group was made up of
22935-401: The troops on the ground. By 13 September, shortly after midnight, infantry patrols from the south and those from the west met near Vigneulles. Still the enemy was in retreat. The Chambley, Mars-la-Tour road was jammed with his reinforcements coming up and his wagons in retreat. In one day the 3d Pursuit Group made five expeditions bombing and harassing with machine guns, protected by elements of
23100-677: The units at the front on November 11, 1918, were approximately 11% of the total combat aircraft strength of the Allied forces. The 45 squadrons in the Zone of Advance had 767 pilots, 481 observers, and 23 aerial gunners, covering 137 kilometers of front from Pont-à-Mousson to Sedan . They flew more than 35,000 hours over the front lines. The Air Service conducted 150 bombing missions, the longest 160 miles behind German lines, and dropped 138 tons (125 kg) of bombs. Its squadrons had confirmed destruction of 756 German aircraft and 76 German balloons, creating 71 Air Service aces . Rickenbacker finished
23265-434: The visual work. Weather conditions throughout the whole operations were extremely bad. Only ten days out of the whole period were suitable for army strategic observation. The most was made of the small amount of good weather, and with two-day squadrons operating an immense amount of work was accomplished. The last three days of October being perfect, gave opportunity for very important work to be accomplished in preparation for
23430-502: The war as the leading American ace, with 26 aircraft destroyed. 35 balloon companies also deployed in France, 17 at the front and six en route to the Second Army, and made 1,642 combat ascensions totaling 3,111 hours of observation. 13 photographic sections were assigned to observation squadrons and made 18,000 aerial photographs. 43 flying training, air park (supply), depot (maintenance), and construction squadrons were located in
23595-412: Was activated on October 12 with Col. Frank P. Lahm as chief but was not ready for operations until just before the armistice. The Air Service, Third Army was created immediately after the armistice to provide aviation support to the army of occupation, primarily from veteran units transferred from the First Army Air Service. Despite their fractious relationship, Mitchell and Foulois were of one mind on
23760-578: Was appointed to the vacancy on January 2, 1919, but the patchwork nature of laws and executive orders that had created the various parts of the Air Service prevented him from exercising all their legal powers and ending the unity of command problems caused by dual authority. The United States began the World War with 65 pilots, a few of which were veterans of the Mexican Expedition , and some who were still in training. None were familiar with
23925-448: Was appointed to the vacant position of Second Assistant Secretary of War and designated as Director of Air Service, nominally in charge of the DMA. The Department of Justice report followed two months later and also blamed the delays on administrative and organizational deficiencies in the Aviation Section. Ryan's appointment came too late for any effective consolidation of both agencies, continuing an obstructive division of authority that
24090-400: Was attacked repeatedly. The St. Mihiel offensive is chiefly remarkable in that it was the first all-American large scale operation of World War I. During the four days of the American offensive which cleared the St. Mihiel salient of the enemy, weather conditions, except on 14 September, were such as to greatly hinder the carrying out of aerial operations. On the morning of 12 September, when
24255-673: Was but little opportunity to attack massed troops. The principal mission during such a period was to destroy the enemy's transport lines by which supplies and personnel were delivered to the front, or by which ore and other products of military importance were delivered to the rear. The most favorable targets were the railroad centers where the traffic arteries converged. Long distance raids proved wonderful opportunities for deep reconnaissance, especially of enemy railroad movements. Any pronounced current of railroad traffic, going in one direction, or converging at one point, would be reported by every observer making that particular raid. Further confirmation
24420-399: Was called upon to effect, whenever necessary, the adjustment of U.S. Army artillery fire. In addition, it was expected that the group would serve to complete the schooling of pilots and observers and render them more competent to undertake intensive operations elsewhere on a larger and more complete scale. Created on 1 August 1918, it was organized at Luxeuil-les-Bains Aerodrome , France with
24585-538: Was established at Foucaucourt Aerodrome . The I Corps Observation Group , located at Remicourt Aerodrome , was made up of three American squadrons, the lst , 12th , and 50th Aero Squadron , and one French squadron. The 1st Day Bombardment Group was used to attack from high altitudes, large objectives such as towns and railroad stations from which traffic is radiating. In situations when intelligence received that specially favorable targets are presenting themselves within 6 or 8 kilometers of our front lines, this group
24750-468: Was for the most part of a negative nature, due to the inactivity of the enemy at this period, but it served the purpose of assuring the staff of each corps that there were no new developments in the general tactical situation. Photographic reconnaissance, during the period of preparation, consisted for the most part of taking oblique views of the enemy territory immediately opposite the front lines of each corps. This type of photograph proved of great value in
24915-517: Was held by Brig. Gen. Billy Mitchell). The primary missions of the Air Service were observation and pursuit aviation, and its tactical squadrons in the United States were controlled by the commanders of nine corps areas and three overseas departments created by the Act, primarily in support of the ground forces. The Chief of the Air Service retained command of training schools, depots, and support activities exempted from corps area control. The headquarters of
25080-418: Was immediately sent by radio to the artillery posts of command and later confirmed by both dropped messages and telephonic reports upon the return of the observer to the aerodrome. Some successful adjustments of the fire of designated batteries upon fugitive targets located in the enemy lines were accomplished. From early morning of the 14th there was a very noticeable increase of hostile pursuit aviation. Some of
25245-515: Was named Director of Air Service Instruction (DAI). Kenley proved to be only an interim commander, as Brig. Gen. Benjamin Foulois replaced him on 27 November 1917, arriving in France with a large but untrained staff of non-aviators. This resulted in considerable resentment from Mitchell's smaller staff already in place, many of whom in key positions, including Bolling, Dodd and Lt. Col. Edgar S. Gorrell , were immediately displaced. Mitchell, however,
25410-645: Was named chief of the First Army Air Service over Mitchell, who had been directing air operations as chief of the I Corps Air Service since March, but Foulois voluntarily relinquished his post to Mitchell and became the Assistant Chief of Air Service, Tours, to unsnarl delays in personnel, supply, and training. Mitchell went on to become a brigadier general and chief of the Army Group Air Service in mid-October 1918, succeeded at First Army by Col. Thomas Milling . The Air Service, Second Army
25575-481: Was never practical to attempt to photograph all the area of the front lines as fast as the troops advanced. In this offensive, as had been the case on the Marne, photographic missions were invariably given protection against attacking hostile pursuit airplanes. The large number of enemy pursuit flights operating in the sector made it practically certain that a photographic mission would be attacked one or more times during
25740-476: Was never resolved during the war. Following the Armistice, Ryan resigned on November 27, leaving both the BAP and DMA, as well as the original Aircraft Board, leaderless. In addition certain powers, primarily those of dealing legally with the government-owned Spruce Production Corporation , had been delegated to Ryan by name, not to his position as Director of Aircraft Production, and as such could not be legally conferred on any successor. Maj. Gen. Charles Menoher
25905-500: Was not allowed to interfere with operations which were still carried on over the front created by the St. Mihiel battle. The 1st Pursuit Group remained at Rembercourt Aerodrome but it too confined its operations to the sector east of the Meuse. G.C. 16 of the French Army was relieved from duty with the 1st Pursuit Wing. The wing headquarters moved from Toul to Chaumont-sur-Aire ; the 2d Pursuit Group moved from Gengault Aerodrome to
26070-550: Was not replaced and became a source of persistent discord with Foulois. Pershing restated the responsibilities of the Air Service AEF with G.O. No. 81, May 29, 1918, in which he replaced Foulois as Chief of Air Service AEF with a West Point classmate and non-aviator, Major General Mason Patrick . Air Service staff planning had been inefficient, with considerable internal dissension as well as conflict between its members and those of Pershing's General Staff. Aircraft and unit totals lagged far behind those promised in 1917. Officers in
26235-518: Was ordered to attack such targets at low altitude in order to cause confusion and material damage to enemy elements arriving as reinforcements or retreating. The enemy air service was largely concentrated in the Conflans-Briey area, and the period between 14 and 25 September was marked by severe and repeated combats. Between 20 and 23 September, the 2d , and 3d Pursuit Groups of the 1st Pursuit Wing changed station[, but this changing station
26400-502: Was organized overseas in 1920 to administrate squadrons in the Philippines . In 1921, the three groups based within the United States were sequentially numbered one through three and assigned different combat roles. The fourth was inactivated. The next year the groups overseas were numbered four through six as "composite" groups. In 1922 plans were formulated for three more groups to flesh out the anticipated GHQ Air Force, but only one,
26565-537: Was ready to proceed with any project Pershing might require. Pershing's aviation officer, Major Townsend F. Dodd , first used the term "Air Service" in a memo to the chief of staff of the AEF on 20 June 1917. The term also appeared on July 5, 1917, in AEF General Order (G.O.) No. 8, in tables detailing staff organization and duties. Mitchell replaced Dodd on 30 June 1917, with the position renamed "Chief of Air Service" and its duties described. After Mitchell
26730-409: Was seized with eagerness. Shortly after the conclusion of the St. Mihiel offensive a certain redistribution of units took place between the various Corps Air Services in preparation for the Meuse-Argonne Offensive . The three American Army Corps which were to take part in the main offensive were the I, III and V. The IV Corps was to be enlarged to include the former sector of the I Corps. The IV Corps,
26895-555: Was superseded in September by Kenly, he remained as ex officio chief through his influence on Kenly as Air Commander, Zone of the Advance (ACA). The Air Service, American Expeditionary Forces was formally created on 3 September 1917 by the publication of AEF G.O. No. 31 and remained in being until demobilized in 1919. Kenly, an artillery officer, had been a student the previous winter in the Field Officers Course at
27060-419: Was troop concentration at Buxieres, in the town and along the roads radiating from it. Because of the strong wind and the low cloud ceiling it was considered impracticable to attempt even these small formation flights. Consequently, that the order be obeyed, the leading team of the first flight volunteered to attempt the mission alone, and to determine, if possible, the best method of conducting troop bombing under
27225-442: Was unnecessary, for the observers were obliged to submit their written raid reports without consulting each other. Photographs of the bursts often revealed troop and construction activity at the objectives, and were subject to careful interpretation. Two American pursuit groups were in process of organization for the establishment of the 1st Pursuit Wing . These were already located at Gengault and Vaucouleurs Aerodromes . All of
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