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59-599: The Douglas AIR-2 Genie (previous designation MB-1 ) was an unguided air-to-air rocket with a 1.5 kt W25 nuclear warhead . It was deployed by the United States Air Force (USAF 1957–1985) and Canada ( Royal Canadian Air Force 1965–1968, Air Command 1968–1984) during the Cold War . Production ended in 1962 after over 3,000 were made, with some related training and test derivatives being produced later. The interception of Soviet strategic bombers

118-465: A 0.1 second time window and inside a 1.2 mi (2 km) diameter circle. Sixty-two such tests took place at NTS. No test at Yucca Flat ever exceeded 500 kilotons of expected yield. Tests of larger explosions were carried out at Rainier Mesa and Pahute Mesa , as their geology allowed deeper test shafts. The first test explosion at Yucca Flat came after five prior atmospheric tests at nearby Area 5 as part of Operation Ranger . On October 22, 1951,

177-448: A 1.5- kiloton W25 nuclear warhead and was powered by a Thiokol SR49-TC-1 solid-fuel rocket engine of 162 kN (36,000 lb f ) thrust, sufficient to accelerate the rocket to Mach 3.3 during its two-second burn. Total flight time was about 12 seconds, during which time the rocket covered 10 km (6.2 mi). Targeting, arming, and firing of the weapon were coordinated by the launch aircraft's fire-control system. Detonation

236-468: A bomber to avoid destruction. The new rocket entered service with the designation MB-1 Genie in 1957. The first interceptor squadrons to carry the MB-1 declared initial operational capability on 1 Jan. 1957, when a handful of rockets and 15 F-89 interceptors capable of carrying them were deployed at Wurtsmith Air Force Base in northern Michigan and Hamilton Air Force Base outside of San Francisco. By

295-515: A cloud of dust stemming from a nuclear test, and causes thyroid problems if ingested. The "John" shot of Plumbbob, on July 19, 1957, was the first test firing of the nuclear-tipped AIR-2 Genie air-to-air rocket designed to destroy incoming enemy bombers with a nuclear explosion. The two-kiloton warhead exploded approximately three miles (4.8 km) above five volunteers and a photographer who stood unprotected at "ground zero" in Area 10 to demonstrate

354-514: A crater 1,280 ft (390 m) wide and 320 ft (98 m) deep in Area 10. For an underground shot, a relatively large amount of energy was vented to the atmosphere, estimated to be 2.5 kilotons (7.4 bars of pressure). Two radioactive dust clouds rose up from the explosion and traveled across the United States, one at 10,000 ft (3,000 m) and the other at 16,000 ft (4,900 m). Both dropped radioactive particles across

413-573: A globe. This logo was later adopted by McDonnell Douglas in 1967, and became the basis of Boeing 's current logo after their merger in 1997. Douglas Aircraft designed and built a wide variety of aircraft for the U.S. military, including the Navy, Army Air Forces, Marine Corps, Air Force, and Coast Guard. The company initially built torpedo bombers for the U.S. Navy, but it developed a number of different versions of these aircraft, including reconnaissance planes and airmail aircraft. Within five years,

472-638: A government-owned factory in Marietta, Georgia . World War II was a major boost for Douglas. Douglas ranked fifth among United States corporations in the value of wartime production contracts. The company produced almost 30,000 aircraft from 1942 to 1945, and its workforce swelled to 160,000. The company produced a number of aircraft including the C-47 Skytrain, the DB-7 (known as the A-20, Havoc or Boston),

531-477: A small satellite prototype ( DSCS III ) was subjected to radioactivity from the "Huron King" shot in a vertical line-of-sight (VLOS) test undertaken in Area 3 . This was a program to improve the database on nuclear hardening design techniques for defense satellites. The VLOS test configuration involved placing a nuclear device (less than 20 kilotons) at the bottom of a shaft. A communications satellite or other experiment

590-594: A subproject of the Nevada Environmental Restoration Project. The larger project involves environmental restoration and mitigation activities in the NTS, Tonopah Test Range , Nellis Air Force Range , and eight further sites in five other states. The Underground Test Area (UGTA) subproject focuses on defining the boundaries of areas containing unsafe water contaminated with radionuclides from underground nuclear tests. The ongoing subproject

649-529: A wholly owned subsidiary of McDonnell Douglas, with Douglas' son, Donald Wills Douglas Jr. , as president. Later, former McDonnell president David S. Lewis became chairman of Douglas Aircraft. His successful turnaround of the division allowed him to become president of McDonnell Douglas in 1969. Meanwhile, Douglas' space and missiles division became part of a new subsidiary called McDonnell Douglas Astronautics Company. McDonnell Douglas later merged with its rival Boeing in 1997. Boeing merged Douglas Aircraft into

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708-743: Is a list of museums which have a Genie rocket in their collection: On 31 January 2024 a dilapidated old rocket, later found to be an inert AIR-2 Genie, was reported to police in the city of Bellevue, Washington after being offered as a donation to the National Museum of the U.S. Air Force in Dayton, Ohio. Douglas Aircraft Company The company was founded as the Douglas Company by Donald Wills Douglas Sr. on July 22, 1921, in Santa Monica, California , following dissolution of

767-659: Is tasked with predicting the future extent of contaminated water due to natural flow and it is expected to quantify safe limits for human health. Yucca Flat was identified as a Corrective Action Unit (CAU). Because of the great expense and virtual impossibility of cleaning up the Nevada Test Site, it has been characterized as a "national sacrifice zone ." In 2003, the United States Geological Survey (USGS) collected and processed magnetotellurics (MT) and audio-magnetotelluric (AMT) data at

826-430: Is the center for support of all activity at the NTS. A subsidence crater in nearby Area 5 is home to a number of storage containers holding contaminated scrap metal and debris, and is subject to periodic monitoring of radioactivity levels. Yucca Flat saw 739 nuclear tests, including 827 separate detonations. The higher number of detonations is from single tests that included multiple nuclear explosions occurring within

885-852: The Boeing Commercial Airplanes division, and retired the Douglas Aircraft name after 76 years. The last Long Beach -built commercial aircraft, the Boeing 717 (third generation version of the Douglas DC-9), ceased production in May 2006. By 2011, the Boeing C-17 Globemaster III was the last aircraft being assembled at the Long Beach facility; the final C-17 was assembled in late 2015. However,

944-478: The Douglas DC-2 , followed by the famous DC-3 in 1936. The wide range of aircraft produced by Douglas included airliners , light and medium bombers , fighter aircraft , transports, reconnaissance aircraft, and experimental aircraft. The company is most famous for the "DC" (Douglas Commercial) series of commercial aircraft, including what is often regarded as the most significant transport aircraft ever made:

1003-779: The Douglas DC-3 , which was also produced as a military transport known as the C-47 Skytrain or "Dakota" in British service. Many Douglas aircraft have long service lives. During World War II , Douglas joined the BVD ( Boeing - Vega -Douglas) consortium to produce the B-17 Flying Fortress . After the war, Douglas built another Boeing design under license, the B-47 Stratojet turbojet -powered bomber, using

1062-610: The SBD Dauntless dive bomber , and the A-26 Invader . Douglas Aircraft suffered cutbacks at the end of the war, with an end to government aircraft orders and a surplus of aircraft. It was necessary to cut heavily into its workforce, letting go of nearly 100,000 workers. The United States Army Air Forces established 'Project RAND' (Research ANd Development) with the objective of looking into long-range planning of future weapons. In March 1946, Douglas Aircraft Company

1121-527: The Tonopah Basin made for straightforward visual documentation of atmospheric nuclear tests. When testing went underground, deep layers of sedimentary soil from the erosion of the surrounding mountains allowed for relatively easy drilling of test holes. Hundreds of subsidence craters dot the desert floor. A crater could develop when an underground nuclear explosion vaporized surrounding bedrock and sediment. The vapor cooled to liquid lava and pooled at

1180-625: The U.S. Navy . The DTs were taken from the assembly lines at the company's manufacturing plants in Rock Island, Illinois , and Dayton, Ohio , to be modified. The modified aircraft known as the Douglas World Cruiser (DWC), also was the first major project for Jack Northrop who designed the fuel system for the series. After the prototype was delivered in November 1923, upon the successful completion of tests on 19 November,

1239-406: The "Able" test of Operation Buster was detonated at the top of a tower in Area 7 , resulting in a nuclear yield less than an equivalent kilogram of TNT; the shot was a fizzle . It was the world's first failure of a nuclear device. Over the next two weeks, four successful tests were conducted via airdrop, with bomber aircraft releasing nuclear weapons over Area 7. The first underground test at NTS

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1298-620: The 1950s. Douglas moved from producing air-to-air rockets and missiles to entire missile systems under the 1956 Nike missile program and became the main contractor for the Skybolt air-launched ballistic missile program and the Thor ballistic missile program. Douglas also earned contracts from NASA, most notably for designing the S-IVB stage of the Saturn IB and Saturn V rockets. In 1967,

1357-652: The Army commissioned Douglas to build four production series aircraft. Due to the demanding expedition ahead, spare parts, including 15 extra Liberty L-12 engines, 14 extra sets of pontoons, and enough replacement airframe parts for two more aircraft were chosen. These were sent to airports along the route. The last of these aircraft was delivered to the U.S. Army on March 11, 1924. The four aircraft left Seattle , Washington, on April 6, 1924, flying west, and two of these returned there on 28 September to great acclaim, while one plane had been lost under fog conditions, and another

1416-517: The Baneberry event. Two NTS workers who were exposed to high levels of radiation from Baneberry died in 1974, both from acute myeloid leukemia. The district court found that although the Government had acted negligently, the radiation from the Baneberry test did not cause the leukemia cases. The district decision was upheld on appeal in 1996. As part of Operation Tinderbox , on June 24, 1980,

1475-652: The Davis-Douglas Company. An early claim to fame was the first circumnavigation of the world by air in Douglas airplanes in 1924. In 1923, the U.S. Army Air Service was interested in carrying out a mission to circumnavigate the Earth for the first time by aircraft , a program called "World Flight". Donald Douglas proposed a modified Douglas DT to meet the Army's needs. The two-place, open cockpit DT biplane torpedo bomber had previously been produced for

1534-550: The Douglas' former logo is preserved on the facility though no longer used by Boeing. Yucca Flats Yucca Flat is a closed desert drainage basin , one of four major nuclear test regions within the Nevada Test Site (NTS), and is divided into nine test sections: Areas 1 through 4 and 6 through 10. Yucca Flat is located at the eastern edge of NTS, about ten miles (16 km) north of Frenchman Flat , and 65 miles (105 km) from Las Vegas, Nevada . Yucca Flat

1593-507: The Nevada Test Site from 51 data stations placed in and near Yucca Flat to get a more accurate idea of the pre- Tertiary geology found in the Yucca Flat Corrective Action Unit (CAU). The intent was to discover the character, thickness, and lateral extent of pre-Tertiary rock formations that affect the flow of underground water. In particular, a major goal was to define the upper clastic confining unit (UCCU) in

1652-789: The US to Canada, the Gulf of Mexico and the Atlantic Ocean. Some 86 workers at the site were exposed to radioactivity, but according to the Department of Energy none received a dose exceeding site guidelines and, similarly, radiation drifting offsite was not considered to pose a hazard by the DOE. In March 2009, TIME magazine identified the Baneberry Test as one of the world's worst nuclear disasters. Two US Federal court cases resulted from

1711-539: The USA before crossing into the sky above the Atlantic Ocean. Among many other radioisotopes, the clouds carried 880  kCi (33  PBq ) of I. Sedan Crater was added to the National Register of Historic Places in 1994. Area 8 hosted the "Baneberry" shot of Operation Emery on December 18, 1970. The Baneberry 10-kiloton test detonated 900 ft (270 m) below the surface but its energy cracked

1770-463: The bottom of the cavity created by the explosion. Cracked rock and sediment layers above the explosion often settled into the cavity to form a crater. At the south end of Yucca Flat is Yucca Lake, also called Yucca Dry Lake. The dry, alkaline lake bed holds a restricted runway ( Yucca Airstrip ) which was built by the Army Corps of Engineers before nuclear testing began in the area. To the west of

1829-489: The company was building about 100 aircraft annually. Among the early employees at Douglas were Ed Heinemann , "Dutch" Kindelberger , Carl Cover , and Jack Northrop , who later founded the Northrop Corporation . The company retained its military market and expanded into amphibian airplanes in the late 1920s, also moving its facilities to Clover Field at Santa Monica, California . The Santa Monica complex

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1888-569: The company was struggling to expand production to meet demand for DC-8 and DC-9 airliners and the A-4 Skyhawk military attack aircraft. The company was also struggling with quality and cash flow problems and DC-10 development costs, as well as shortages due to the Vietnam War . Under the circumstances, Douglas was very receptive to an offer from McDonnell Aircraft Corporation . On April 28, 1967, after almost four years of merger talks,

1947-459: The dry lake bed is News Nob, a rocky outcropping from which journalists and VIPs were able to watch atmospheric nuclear tests at Yucca Flat. West of the dry lake bed, cresting the top of Yucca Pass, is Control Point, or CP-1, the 31,600 sq ft (2,940 m ) complex of buildings which contains testing and monitoring equipment for nuclear tests, and a cafeteria that seats 32. CP-1 overlooks both Yucca and Frenchman Flats. Today, Control Point

2006-671: The ground were negligible. Doses received by aircrew were highest for the fliers assigned to penetrate the airburst cloud ten minutes after explosion. While in service with the U.S. Air Force, the Genie was carried operationally on the F-89 Scorpion , F-101B Voodoo , and the F-106 Delta Dart . While the Genie was originally intended to be carried by the F-104 Starfighter using a unique 'trapeze' launching rail,

2065-421: The ground where it was detonated. Over 2,000 troops took part in the test in order to train them in conducting operations on the nuclear battlefield. The test released 11 megacuries (410 PBq) of iodine-131 ( I) into the air. With a relatively brief half-life of eight days, I is useful as a determinant in tracking specific nuclear contamination events. Iodine-131 comprises about 2% of radioactive materials in

2124-447: The height of the blast, but it was between 18,500 and 20,000 ft (5,600 and 6,100 m) above mean sea level. A group of five USAF officers volunteered to stand uncovered in their light summer uniforms underneath the blast to prove that the weapon was safe for use over populated areas. They were photographed by Department of Defense photographer George Yoshitake who stood there with them. Gamma and neutron doses received by observers on

2183-626: The missile for use on the English Electric Lightning . Safety features included final arming by detecting the acceleration and deceleration of a fast aircraft at high altitude. The weapon was built too early to use a permissive action link security device. The F-89J that was used to launch the only live test is on static display at the Montana Air National Guard in Great Falls, Montana . Below

2242-472: The more "jet age" style F4D Skyray in 1951. Douglas also made commercial jets, producing the Douglas DC-8 in 1958 to compete with the new Boeing 707 . Douglas was a pioneer in related fields, such as ejection seats , air-to-air missiles , surface-to-air missiles , and air-to-surface missiles , launch rockets, bombs, and bomb racks. The company was ready to enter the new missile business during

2301-626: The motto "First Around the World – First the World Around". Douglas initially used a logo that combined two letter Ds with two wings extended outwards, and two Ds placed back to back to form a heart as a reference to the Clan Douglas . After the success of the DWC, the company adopted a logo that showed three airplanes circling a globe. The logo eventually evolved into an aircraft, a missile, and

2360-485: The next year, 268 F-89s had received the necessary wing pylon and fire-control system modifications to carry the weapon. While officially known as the MB-1 Genie , the rocket was often nicknamed "Ding-Dong" by crews and pilots. About 3,150 Genie rockets were produced before production ended in 1963. In 1962 the weapon was redesignated AIR-2A Genie . Many rounds were upgraded with improved, longer-duration rocket motors;

2419-431: The pipe and quickly winched to safety before the ground could subside to form a crater. The Huron King test cost US$ 10.3 million in 1980 (equivalent to $ 38.1 million today). The final test at Yucca Flat (also the last test at the entire Nevada Test Site) was Operation Julin 's "Divider" on September 23, 1992, just prior to the moratorium temporarily ending all nuclear testing. Divider was a safety experiment test shot that

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2478-460: The plume's lighter particles were carried to three altitudes and conveyed by winter storms and the jet stream to be deposited heavily as radionuclide -laden snow in Lassen and Sierra counties in northeast California, and to lesser degrees in southern Idaho, northern Nevada and some eastern sections of Oregon and Washington states. The three diverging jet stream layers conducted radionuclides across

2537-663: The project never proceeded beyond the testing phase. Convair offered an upgrade of the F-102 Delta Dagger that would have been Genie-capable, but it too was not adopted. Operational use of the Genie was discontinued in 1988 with the retirement of the F-106 interceptor. The only other Genie user was Canada, whose CF-101 Voodoos carried Genies until 1984 via a dual-key arrangement where the missiles were kept under United States custody, and released to Canada under circumstances requiring their use. The RAF briefly considered

2596-577: The purported safety of battlefield nuclear weapons to personnel on the ground. The test also demonstrated the ability of a fighter aircraft to deliver a nuclear-tipped rocket and avoid being destroyed in the process. A Northrop F-89J fired the rocket. A dramatically different test shot was the "Sedan" test of Operation Storax on July 6, 1962, a 104 kiloton shot for Project Plowshare which sought to discover whether nuclear weapons could be used for peaceful means in creating lakes, bays or canals. The explosion displaced twelve million tons of earth, creating

2655-429: The soil in unexpected ways, causing a fissure near ground zero and the failure of the shaft and cap. A plume of fire and dust was released 3.5 minutes after initiation, raining fallout on workers in different locations within NTS. The radioactive plume released 6.7 megacuries (250  PBq ) of radioactive material, including 80 kCi (3.0 PBq) of iodine-131 . After dropping a portion of its material locally,

2714-452: The treaty. The partially assembled cabling, towers and equipment for shot "Icecap" in Area 1 and shot "Gabbs" in Area 2 lie amid weeds and blowing dust, waiting for a possible resumption of nuclear testing. Shot "Greenwater" awaits its fate in Area 19 at Pahute Mesa . "Icecap" was to be a joint US-UK test event. The United States Department of Energy produced a report in April, 1997, on

2773-403: The two companies merged as McDonnell Douglas Corporation . The two companies seemed to be a good match for each other. McDonnell was a major defense contractor, but had almost no civilian business. Douglas' commercial contracts would allow McDonnell to withstand any downturns in procurement. Conversely, McDonnell had enough revenue to help solve Douglas' financial problems; soon after the merger

2832-697: The upgraded weapons sometimes known (apparently only semi-officially) as AIR-2B . An inert training round, originally MB-1-T and later ATR-2A , was also produced in small numbers – the training version was known to Canadian crews as the "dum-dum". A live Genie was detonated only once, in Operation Plumbbob on 19 July 1957. It was fired by USAF Captain Eric William Hutchison (pilot) and USAF Captain Alfred C. Barbee (radar operator) flying an F-89J over Yucca Flats . Sources vary as to

2891-877: Was a major military preoccupation of the late 1940s and 1950s. The revelation in 1947 that the Soviet Union had produced a reverse-engineered copy of the Boeing B-29 Superfortress , the Tupolev Tu-4 ( NATO reporting name "Bull"), which could reach the continental United States in a one-way attack, followed by the Soviets developing their own atomic bomb in 1949, produced considerable anxiety. The World War II -age fighter armament of machine guns and cannon were inadequate to stop attacks by massed formations of high-speed bombers. Firing large volleys of unguided rockets into bomber formations

2950-460: Was announced, McDonnell bought 1.5 million shares of Douglas stock to help Douglas meet "immediate financial requirements". The merged company was based at McDonnell's facility in St. Louis, Missouri . It adopted a modified version of Douglas' logo. Donald Wills Douglas Sr. became honorary chairman of the merged company, a post he would hold until his death in 1981. Douglas Aircraft Company continued as

3009-420: Was by time-delay fuze , although the fuzing mechanism would not arm the warhead until engine burn-out, to give the launch aircraft sufficient time to turn and escape. However, there was no mechanism for disarming the warhead after launch. Lethal radius of the blast was estimated to be about 300 metres (980 ft). Once fired, the Genie's short flight-time and large blast radius made it virtually impossible for

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3068-547: Was detonated at the bottom of a shaft sunk into Area 3. Three tests planned for 1993 have been abandoned in place, two in Yucca Flat. The Comprehensive Nuclear-Test-Ban Treaty had been strongly supported by the UN General Assembly in 1991, and negotiations began in earnest in 1993. The United States, on October 3, 1992, suspended all nuclear weapons testing programs in anticipation of eventual ratification of

3127-670: Was forced down over the Atlantic and sank (the DWC prototype was then rechristened, and joined the other two in completing the North American leg of the flight). After the success of this flight, the Army Air Service ordered six similar aircraft as observation aircraft. The success of the DWC established the Douglas Aircraft Company among the major aircraft companies of the world and led it to adopt

3186-561: Was granted the contract to research on intercontinental warfare. Project RAND later become the RAND Corporation . Douglas continued to develop new aircraft, including the successful four-engined Douglas DC-6 (1946) and its last propeller-driven commercial aircraft, the Douglas DC-7 (1953). The company had moved into jet propulsion, producing its first for the U.S. Navy — the straight-winged F3D Skyknight in 1948 and then

3245-555: Was not much better, and true air-to-air missiles were in their infancy. In 1954 Douglas Aircraft began a program to investigate the possibility of a nuclear-armed air-to-air weapon. To ensure simplicity and reliability, the weapon would be unguided, since the large blast radius made precise accuracy unnecessary. The then top-secret project had various code names, such as Bird Dog , Ding Dong , and High Card . Full-scale development began in 1955, with test firing of inert warhead rockets commencing in early 1956. The final design carried

3304-438: Was placed in a partially evacuated test chamber simulating a space environment. The test chamber was parked at ground level at the top of the shaft. At zero time, the radiation from the device shot up the vertical pipe to the surface test chamber. Mechanical closures then intercepted and sealed the pipe, preventing the explosive shock wave from damaging the targets. The test chamber was immediately disconnected by remote control from

3363-430: Was so large, the mail girls used roller skates to deliver the intracompany mail. By the end of World War II, Douglas had facilities at Santa Monica, El Segundo , Long Beach , and Torrance, California , Tulsa and Midwest City , Oklahoma, and Chicago, Illinois . On November 30, 1928, the company was reorganized as the Douglas Aircraft Company. In 1934, Douglas produced a commercial twin-engined transport plane ,

3422-424: Was the "Uncle" shot of Operation Jangle . Uncle detonated on November 29, 1951 within a shaft sunk into Area 10 . In Area 9 , the 74-kiloton "Hood" test on July 5, 1957, part of Operation Plumbbob , was the largest atmospheric test ever conducted within the continental United States; nearly five times as large in yield as the bomb dropped on Hiroshima. A balloon carried Hood up to 1,510 ft (460 m) above

3481-405: Was the site for 739 nuclear tests – nearly four of every five tests carried out at the NTS. Yucca Flat has been called "the most irradiated, nuclear-blasted spot on the face of the earth". In March 2009, TIME identified the 1970 Yucca Flat Baneberry Test , where 86 workers were exposed to radiation, as one of the world's worst nuclear disasters. The open, sandy geology of Yucca Flat in

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