Military intelligence is a military discipline that uses information collection and analysis approaches to provide guidance and direction to assist commanders in their decisions . This aim is achieved by providing an assessment of data from a range of sources, directed towards the commanders' mission requirements or responding to questions as part of operational or campaign planning. To provide an analysis, the commander's information requirements are first identified, which are then incorporated into intelligence collection, analysis, and dissemination.
96-690: The Cairo Gang was a group of British military intelligence agents who were sent to Dublin during the Irish War of Independence to identify prominent members of the Irish Republican Army (IRA) with, according to information gathered by the IRA Intelligence Department (IRAID), the intention of disrupting the IRA by assassination. Originally commanded by British Army General Gerald Boyd , they were known officially as
192-459: A need-to-know basis in order to protect the sources and methods from foreign traffic analysis. Analysis consists of assessment of an adversary's capabilities and vulnerabilities. In a real sense, these are threats and opportunities. Analysts generally look for the least defended or most fragile resource that is necessary for important military capabilities. These are then flagged as critical vulnerabilities. For example, in modern mechanized warfare,
288-490: A bullet grazed his head. This time he was shot twice in the head. The documents found in his house detailed the movements of senior IRA members. An IRA unit led by Tom Keogh entered 22 Lower Mount Street to kill Lieutenant Henry Angliss, alias Patrick Mahon and Lieutenant Charles Ratsch Peel. The two intelligence specialists in the Gang, Angliss and Peel, had been recalled from Russia to organise British intelligence operations in
384-479: A confrontation on the first floor of the Pembroke Street house as he was preparing to leave to command a regimental parade at army headquarters. He was in his military uniform and, when he shouted to warn the other five British officers living in the house, he was shot in the shoulder and back, but survived. As Keenlyside was about to be shot, a struggle ensued between his wife and Mick O'Hanlon. The leader of
480-403: A continuously-updated list of typical vulnerabilities. Critical vulnerabilities are then indexed in a way that makes them easily available to advisors and line intelligence personnel who package this information for policy-makers and war-fighters. Vulnerabilities are usually indexed by the nation and military unit with a list of possible attack methods. Critical threats are usually maintained in
576-656: A country. Photointerpreters generally maintain catalogs of munitions factories, military bases and crate designs in order to interpret munition shipments and inventories. Most intelligence services maintain or support groups whose only purpose is to keep maps. Since maps also have valuable civilian uses, these agencies are often publicly associated or identified as other parts of the government. Some historic counterintelligence services, especially in Russia and China, have intentionally banned or placed disinformation in public maps; good intelligence can identify this disinformation. It
672-573: A dozen bullets were fired into his room. When members of Fianna Éireann , who were on lookout, reported that the Auxiliary Division were approaching the house, the unit of eleven men split up into two groups, the first leaving by the front door, the second through the laneway at the back of the house. At 119 Baggot Street, a three-man unit killed Captain Geoffrey Thomas Baggallay, a barrister who had been employed as
768-487: A nation may be unavailable from outside the country. This is why most intelligence services attach members to foreign service offices. Some industrialized nations also eavesdrop continuously on the entire radio spectrum, interpreting it in real time. This includes not only broadcasts of national and local radio and television, but also local military traffic, radar emissions and even microwaved telephone and telegraph traffic, including satellite traffic. The U.S. in particular
864-479: A prioritized file, with important enemy capabilities analyzed on a schedule set by an estimate of the enemy's preparation time. For example, nuclear threats between the USSR and the U.S. were analyzed in real time by continuously on-duty staffs. In contrast, analysis of tank or army deployments are usually triggered by accumulations of fuel and munitions, which are monitored every few days. In some cases, automated analysis
960-657: A prosecutor under the Restoration of Order in Ireland Act 1920 regulations and who had appeared for the prosecution in multiple military tribunals that sentenced alleged IRA volunteers to death. Captain Patrick McCormack and Lieutenant Leonard Wilde were in the Gresham Hotel in O'Connell Street . The IRA unit got to their rooms by pretending to be British soldiers with important dispatches. When
1056-497: A room which was specially built for it about 1570. The Castle sustained severe fire damage in 1684. Extensive rebuilding transformed it from a medieval fortress to a Georgian palace. No trace of medieval buildings remains above ground level today, with the exception of the great Record Tower ( c. 1228 –1230); it is the sole surviving tower of the original fortification, its battlements an early 19th-century addition. In 1764, English traveller John Bush wrote: "The Castle, as it
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#17327654838801152-708: A severe blow to British intelligence gathering in Ireland. Eventually, another group of intelligence operatives, known officially as the Identification Branch of the Combined Intelligence Service (CIS), took the fight to the IRA. The group was known informally as The Igoe Gang, named after its leader Head Constable Eugene Igoe, who was from County Mayo . Igoe reported to Colonel Ormonde Winter. The Igoe Gang consisted of RIC personnel drawn from different parts of Ireland who patrolled
1248-596: A trap on 14 October, a week before the day of the Cairo Gang assassinations.) When the IRA came calling for Murray, he had moved to an apartment across the street. He heard the gunfire at his former lodging and fired his revolver at an IRA sentry outside. The sentry was hit and took cover inside the house. The Volunteers moved on. Several IRA men carried sledgehammers with them the morning of 21 November, because they expected to encounter bolted doors. They did not find any, but T. Ryle Dwyer claims that they used them to smash
1344-416: Is called from its having been the situation of one, I suppose, of which at present there are very few remains, is the residence of the lord lieutenant when in Ireland, but has very little of grandeur in its external appearance besides the large square court-yard, which it encloses. But the rooms, some of them, are large and elegant". United Irishmen General Joseph Holt , a participant in the 1798 Rising ,
1440-618: Is commonplace for the intelligence services of large countries to read every published journal of the nations in which it is interested, and the main newspapers and journals of every nation. This is a basic source of intelligence. It is also common for diplomatic and journalistic personnel to have a secondary goal of collecting military intelligence. For western democracies, it is extremely rare for journalists to be paid by an official intelligence service, but they may still patriotically pass on tidbits of information they gather as they carry on their legitimate business. Also, much public information in
1536-712: Is focused on support or denial of intelligence at operational tiers. The operational tier is below the strategic level of leadership and refers to the design of practical manifestation. Formally defined as "Intelligence that is required for planning and conducting campaigns and major operations to accomplish strategic objectives within theaters or operational areas." It aligns with the Operational Level of Warfare, defined as "The level of warfare at which campaigns and major operations are planned, conducted, and sustained to achieve strategic objectives within theaters or other operational areas." The term operation intelligence
1632-464: Is focused on support to operations at the tactical level and would be attached to the battlegroup. At the tactical level, briefings are delivered to patrols on current threats and collection priorities. These patrols are then debriefed to elicit information for analysis and communication through the reporting chain. Tactical Intelligence is formally defined as "intelligence required for the planning and conduct of tactical operations", and corresponds with
1728-597: Is known to maintain satellites that can intercept cell-phone and pager traffic, usually referred to as the ECHELON system. Analysis of bulk traffic is normally performed by complex computer programs that parse natural language and phone numbers looking for threatening conversations and correspondents. In some extraordinary cases, undersea or land-based cables have been tapped as well. More exotic secret information, such as encryption keys, diplomatic message traffic, policy and orders of battle are usually restricted to analysts on
1824-413: Is one of the oldest rooms in the castle, dating from the 1740s, though its decoration largely dates from c. 1790, including the most significant painted ceiling in Ireland, executed by Vincenzo Valdre (c. 1742–1814). Composed of three panels, the ceiling depicts the coronation of King George III , Saint Patrick introducing Christianity to Ireland, and King Henry II receiving the submission of
1920-465: Is performed in real time on automated data traffic. Packaging threats and vulnerabilities for decision-makers is a crucial part of military intelligence. A good intelligence officer will stay very close to the policy-maker or war fighter to anticipate their information requirements and tailor the information needed. A good intelligence officer will also ask a fairly large number of questions in order to help anticipate needs. For an important policy-maker,
2016-573: Is the oldest room in the castle and largely retains its original decoration, having escaped major modification and fire over the years. It dates from Lord Chesterfield 's building of the State Apartments in the 1740s, and was intended for use as a supper room adjoining St. Patrick's Hall and as a personal dining room. Today the room is still used for dining when conferences take place in St. Patrick's Hall. These former private quarters of
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#17327654838802112-502: Is used within law enforcement to refer to intelligence that supports long-term investigations into multiple, similar targets. Operational intelligence, in the discipline of law enforcement intelligence, is concerned primarily with identifying, targeting, detecting and intervening in criminal activity. The use within law enforcement and law enforcement intelligence is not scaled to its use in general intelligence or military/naval intelligence, being more narrowed in scope. Tactical intelligence
2208-594: The Anglo-Irish Treaty in December 1921, the complex was ceremonially handed over to the newly formed Provisional Government led by Michael Collins . It now hosts the inauguration of each President of Ireland and various State receptions. The castle was built by the dark pool ("Dubh Linn") which gave Dublin its name. This pool lies on the lower course of the River Poddle before its confluence with
2304-587: The Dublin District Special Branch (DDSB) and also as D Branch . Twelve D-Branch members, including British Army officers, Royal Irish Constabulary officers and a civilian informer, were simultaneously assassinated in Dublin on the early morning of Sunday 21 November 1920 by the IRA assassination unit known as The Squad . The operation was a meticulously planned decapitation strike masterminded by Michael Collins . The 14 deaths were
2400-790: The Irish Free State came into being in 1922, Dublin Castle ceased to function as the administrative seat. It served for some years as temporary Courts of Justice (the Four Courts , the home of the Irish courts' system, had been destroyed in 1922). After the courts vacated the premises, the Castle was used for state ceremonies. As President of the Executive Council , Éamon de Valera received credentials there from newly arrived ambassadors to Ireland on behalf of King George V in
2496-690: The Middle Ages the wooden buildings within the castle square evolved and changed, the most significant addition being the Great Hall built of stone and timber, variously used as Parliament house, court of law and banqueting hall. The building survived until 1673, when it was damaged by fire and demolished shortly afterwards. The Court of Castle Chamber , the Irish counterpart to the English Star Chamber , sat in Dublin Castle in
2592-660: The River Liffey ; when the castle was built, the Liffey was much wider, and the castle was effectively defended by both rivers. The Poddle today runs under the complex. Dublin Castle has fulfilled a number of roles throughout its history. Originally built as a defensive fortification for the Norman city of Dublin, it later evolved into an official residence, used by the Lord Lieutenant of Ireland or Viceroy of Ireland,
2688-578: The intelligence cycle . Dublin Castle Dublin Castle ( Irish : Caisleán Bhaile Átha Cliath ) is a major Irish government complex, conference centre, and tourist attraction. It is located off Dame Street in central Dublin. It is a former motte-and-bailey castle and was chosen for its position at the highest point of central Dublin. Until 1922 it was the seat of the British government's administration in Ireland . Many of
2784-462: The "Cairo Gang", British Army Courts-Martial officers, the two Auxiliaries and a civilian informant. Of the IRA men involved, only Frank Teeling was captured during the operation. He was court-martialled and sentenced to hang but escaped from Kilmainham Gaol . He was later tried for shooting a member of the National Army, and convicted for killing a man for bringing a bag of tomatoes into
2880-531: The 17th century, the Earl of Arran described the Castle as "the worst castle in the worst situation in Christendom". The Poddle was diverted into the city through archways where the walls adjoined the castle, artificially flooding the moat of the fortress's city elevations. One of these archways and part of the wall survive buried underneath the 18th-century buildings, and are open for public viewing. Through
2976-655: The 1830s as the principal reception room of the Lord Lieutenant and his household, today this room is reserved in use for the reception of foreign dignitaries. Largely destroyed by fire in 1941, the room was reconstructed with minor modifications in 1964–1968 by the OPW, making use of salvaged and replicated furnishings and fittings. Also called the Picture Gallery, and formerly known as the Supper Room, this
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3072-546: The 1919–1923 period do not refer to the Cairo Gang by that name. By 1920, the IRA's Dublin headquarters, under the direction of Michael Collins, had, through assassination and intelligence penetration, eliminated the G Division of the Dublin Metropolitan Police , previously the mainstay of the Crown's intelligence operations against Irish Republicans. The Dublin Castle administration , the headquarters of
3168-586: The 1930s. In 1938, Douglas Hyde was inaugurated as President of Ireland at the Castle. All inaugurations of subsequent presidents have taken place there since. President Erskine Hamilton Childers ' lying-in-state took place there in November 1974, as did that of former President Éamon de Valera in September 1975. The State Apartments, located in the southern range of buildings of the Upper Yard, contain
3264-590: The Architects of Ireland . Construction began anyway in 1970. Some elements of the OPW are based in an old stables area, and some functions of the Garda Síochána are also based at the Castle. The complex of buildings is usually open to the public, except during certain state functions. The crypt of the Chapel Royal is now used as an arts centre, and occasional concerts are held in the grounds of
3360-946: The British government in Ireland , were forced to look for external intelligence support. In January 1920, the British Army Intelligence Centre in Ireland formed a special plain-clothes unit of 18 to 20 demobilised ex-army officers, and some officers still on active duty, to conduct clandestine operations against the IRA. The officers received training in London, most likely under the supervision of Special Branch , which had been part of Britain's Directorate of Home Intelligence since February 1919. They may also have received some training from MI5 officers and former officers working for Special Branch. Army Centre in Dublin hoped these officers could eventually be deployed to
3456-486: The Castle. This tower stood at the northwest corner of the medieval enclosure. The base remains behind the west range of the upper castle yard. John Cornforth described the Castle as "not even a work of architecture" but "a piece of English make-do and mend". The complex houses, among other things, some offices of the Revenue Commissioners , including a Stamping Office in a 20th-century building at
3552-722: The Castle. The castle complex also hosts the Chester Beatty Library , in a purpose-constructed facility, with a café, the Garda Museum , in the Treasury Building, and the Revenue Museum. The former site of the "dark pool" on the Poddle was remodelled into a garden, with a water feature that commemorates fallen Gardaí, and a helipad. Opposite the garden is a sculpture and plaque commemorating
3648-696: The Catholic members of the Australian Imperial Force in World War I. Clune was manager of the seed and plant nursery owned by Edward MacLysaght near Quin, and Clune and MacLysaght travelled to Dublin on the morning of Saturday, 20 November 1920, bringing with him the books of the Raheen Co-op for its annual audit. Clune was arrested in a raid on Vaughan's Hotel in Dublin, where he was a registered guest. At 9:00 a.m., members of
3744-636: The IRA under the command of Michael Collins, D Branch was transferred to the command of Brigadier-General Sir Ormonde Winter in January 1921. Winter had been placed in charge of a new police intelligence unit, the Combined Intelligence Service, in May 1920, and his charter was to set up a central intelligence clearing house to more effectively collate and coordinate army and police intelligence. Those members of D Branch who survived Bloody Sunday were very unhappy to be transferred from army command to CIS command and, for
3840-570: The Irish chieftains. The state dinner hosted by the President of Ireland to welcome Queen Elizabeth II to Ireland was held here on the evening of 18 May 2011. Following the disestablishment of the Church of Ireland in 1871, the Order of St. Patrick , Ireland's order of chivalry, moved its ceremonial home from St. Patrick's Cathedral to St. Patrick's Hall. The banners and hatchment plates of
3936-402: The Lord Lieutenant were built as five interconnecting rooms running along the back of the building, adjoining the spine corridor that separates them from the state drawing room. Completely rebuilt in the 1960s following a fire in 1941, the rooms maintain the original courtly sequence and today are used as ancillary drawing and meeting rooms to the principal apartments. The last dignitary to stay in
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4032-471: The South Dublin area. Angliss had survived an assassination attempt when he had been shot at in a billiard hall. He was targeted for killing Sinn Féin fundraiser John Lynch, mistaken for General Liam Lynch , Divisional Commandant of the 1st Southern Division, IRA . Angliss was shot as he reached for his gun. Peel, hearing the shots, managed to block his bedroom door and survived even though more than
4128-680: The Squad entered 28 Pembroke Street. The first British agents to die were Major Charles Milne Cholmeley Dowling and Captain Leonard Price. Andy Cooney of the Dublin Brigade removed documents from their rooms. Captain Brian Christopher Headlam Keenlyside, Colonel Wilfrid Woodcock and Lieutenant-Colonel Hugh Montgomery were also killed. Woodcock was not connected with intelligence and had walked into
4224-652: The Tactical Level of Warfare, itself defined as "the level of warfare at which battles and engagements are planned and executed to achieve military objectives assigned to tactical units or task forces". Intelligence should respond to the needs of leadership , based on the military objective and operational plans. The military objective provides a focus for the estimate process, from which a number of information requirements are derived. Information requirements may be related to terrain and impact on vehicle or personnel movement, disposition of hostile forces, sentiments of
4320-439: The U.S. military, Joint Publication 2-0 (JP 2-0) states: "The six categories of intelligence operations are: planning and direction; collection; processing and exploitation; analysis and production; dissemination and integration; and evaluation and feedback." Many of the most important facts are well known or may be gathered from public sources. This form of information collection is known as open-source intelligence . For example,
4416-672: The area in question, such as geography , demographics and industrial capacities. Strategic Intelligence is formally defined as "intelligence required for the formation of policy and military plans at national and international levels", and corresponds to the Strategic Level of Warfare, which is formally defined as "the level of warfare at which a nation, often as a member of a group of nations, determines national or multinational (alliance or coalition) strategic security objectives and guidance, then develops and uses national resources to achieve those objectives." Operational intelligence
4512-412: The assassinations to be carried out as 21 November 1920 , at 9:00 a.m. The operation was planned by several senior IRA members, including Michael Collins, Dick McKee , Liam Tobin, Peadar Clancy , Tom Cullen , Frank Thornton and Oscar Traynor . The killings were planned to coincide with a Gaelic football match between Dublin and Tipperary , because the large crowds around Dublin would allow
4608-504: The bar at the Theatre Royal, Dublin. Patrick Moran and Thomas Whelan were arrested later and, despite their protestations of innocence and 19 false witnesses attesting to alibis, were convicted and hanged for murder on 14 March 1921. The remaining Cairo Gang members, along with many other spies, fled to Dublin Castle or England, fearing they were next. Another member committed suicide in Dublin Castle. The deaths and flights dealt
4704-569: The castle complex is also home to a Garda Síochána unit and the Garda Museum , some parts of the Office of Public Works , some functions of the Irish Revenue Commissioners – and the Revenue Museum – and the Chester Beatty Library . Dublin Castle was first founded as a major defensive work by Meiler Fitzhenry on the orders of King John of England in 1204, sometime after the Norman invasion of Ireland in 1169, when it
4800-537: The castle formed one corner of the outer perimeter of the city, using the River Poddle as a natural means of defence along two of its sides. The city wall directly abutted the castle's northeast Powder Tower, extending north and westwards around the city before rejoining the castle at its southwestern Bermingham Tower. In 1620 the English-born judge Luke Gernon was greatly impressed by the wall: "a huge and mighty wall, foursquare, and of incredible thickness". In
4896-555: The castle temporarily assumed the role of the Four Courts , the legal complex badly damaged during the Civil War ; this arrangement would last for a decade. It was decided in 1938 that the inauguration of the first President of Ireland , Douglas Hyde , would take place in the castle, and the complex has been host to this ceremony ever since. The castle is also used for hosting official state visits as well as more informal foreign affairs engagements, state banquets, including that for
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#17327654838804992-576: The current buildings date from the 18th century, though a castle has stood on the site since the days of King John , the first Lord of Ireland . The Castle served as the seat of English, then later British, government of Ireland under the Lordship of Ireland (1171–1541), the Kingdom of Ireland (1541–1800), and the United Kingdom of Great Britain and Ireland (1801–1922). After the signing of
5088-500: The detailed act and carry it out. Once hostilities begin, target selection often moves into the upper end of the military chain of command. Once ready stocks of weapons and fuel are depleted, logistic concerns are often exported to civilian policy-makers. The processed intelligence information is disseminated through database systems, intel bulletins and briefings to the different decision-makers. The bulletins may also include consequently resulting information requirements and thus conclude
5184-602: The end of the Castle Yard. The modern office block was designed by Frank du Berry, a senior OPW architect, in the late 1960s. The design was denounced by many groups, citing the unsympathetic nature of the four-storey block and the placement, which disrupted the rectangular layout of the Castle. Among the groups that objected were the Irish Georgian Society , An Taisce , and the Royal Institute of
5280-761: The error. Unlike the other British officers, McCormack, a Catholic from Castlebar , was buried in Ireland, at Glasnevin Cemetery , Dublin. Captain John Scott Crawford, in charge of motor repair of the British Army Service Corps , narrowly escaped death after the IRA entered a guesthouse in Fitzwilliam Square where he was staying, looking for a Major Callaghan. On not finding their target, they debated whether or not to shoot Crawford. They decided not to shoot him because he
5376-516: The first killings of what was later dubbed Bloody Sunday . Tim Pat Coogan 's biography of Michael Collins asserts that the " nom de guerre " of the British unit derived from a common history of service in the Middle East, but that is disputed by some Irish historians, such as Conor Cruise O'Brien , and it has been suggested that they received the name because they often held meetings at Cafe Cairo, at 59 Grafton Street in Dublin. Earlier books on
5472-431: The former Parliament House on College Green, it features a marching procession of vaults and arches which were originally top-lit. Regrettably, an office storey was built over the skylights following complete reconstruction of the corridor in the 1960s as the result of a differential settlement with the reconstruction of the adjoining drawing room. The corridor features exact plaster casts of the original arch detailing, and
5568-487: The gang. The Gang was never penetrated by the IRA. Igoe later conducted secret service operations for Special Branch over many years in other countries, but never returned to his farm in Mayo out of fear of reprisal. Brigadier General Winter appeared on Igoe's behalf to obtain an increase in his pension in view of his many services to the Crown in Ireland and elsewhere. Military intelligence Areas of study may include
5664-527: The historic visit of Queen Elizabeth II in 2011, and Government policy launches. It also acts as the central base for Ireland's hosting of the European Presidency , approximately every 10 years. Two dedicated conference facilities, The Hibernia Conference Centre and The Printworks were installed for the European Presidencies of 1990 and 2013, and are made available for rental by the private sector too. The castle's State Apartments and their associated collection of historic materials form an accredited museum, and
5760-405: The intelligence officer will have a staff to which research projects can be assigned. Developing a plan of attack is not the responsibility of intelligence, though it helps an analyst to know the capabilities of common types of military units. Generally, policy-makers are presented with a list of threats and opportunities. They approve some basic action, and then professional military personnel plan
5856-562: The investigation. The jewels have never been recovered. At the very beginning of the Easter Rising of 1916, a force of twenty-five Irish Citizen Army members were able to seize the entrance and guard room of the Castle before reinforcements for the small garrison arrived. During the Anglo-Irish War the Castle was the nerve centre of the British effort against Irish separatism . On the night of Bloody Sunday in 1920, three Irish Republican Army members Dick McKee , Conor Clune and Peadar Clancy , were tortured and killed there. When
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#17327654838805952-423: The knights who were living at the time when most of Ireland gained independence as the Irish Free State , in December 1922, remain in place. Originally built as the Battleaxe Hall in the 1740s, it was converted to a presence chamber around 1790. The regal decoration dates from that time and from alterations in the 1830s. It contains a throne built for the visit of King George IV to Ireland in 1821. Remodelled in
6048-438: The local population and capabilities of the hostile order of battle . In response to the information requirements, analysts examine existing information, identifying gaps in the available knowledge. Where gaps in knowledge exist, the staff may be able to task collection assets to target the requirement. Analysis reports draw on all available sources of information, whether drawn from existing material or collected in response to
6144-403: The logistics chain for a military unit's fuel supply is often the most vulnerable part of a nation's order of battle. Human intelligence, gathered by spies, is usually carefully tested against unrelated sources. It is notoriously prone to inaccuracy. In some cases, sources will just make up imaginative stories for pay, or they may try to settle grudges by identifying personal enemies as enemies of
6240-443: The members of The Squad to move about more easily, and make it more difficult for the British to detect them before and after they carried out the assassinations. Clancy and McKee were picked up by Crown forces on the evening of Saturday, 20 November. They were tortured and later shot dead "while trying to escape". Tortured and killed with them was Conor Clune, the nephew of Archbishop Clune of Perth , who had been senior chaplain to
6336-408: The members of the D Branch were under IRA surveillance for several weeks, and intelligence was gathered from sympathisers, for example, who was coming home at strange hours, thereby indicating that they were allowed to violate the military curfew . The IRA Dublin Brigade and the IRAID then pooled their resources and intelligence to draw up a hit list of suspected Cairo Gang members, and set the date for
6432-431: The men as "the special gang F company Auxiliaries". The men in the photo are numbered, but there are no names or details on the back of the photos. Three other photos in the collection show Auxiliaries posing on vehicles in the grounds of Dublin Castle . Those three photos are similarly numbered. The IRA Intelligence Department (IRAID) was receiving information from numerous well-placed sources, including Lily Mernin , who
6528-423: The men opened their doors they were shot and killed. A listing in The Times for McCormack and Wilde does not indicate any rank for the latter – in fact, he was a discharged army officer who had been a British consul in Spain. McCormack's killing was a mistake. He was a member of the Royal Army Veterinary Corps and was in Ireland to buy horses for the British Army. He was shot in bed and Collins later acknowledged
6624-399: The next six months, until the Truce of July 1921 , D Branch continued to maintain regular contact with the Army Intelligence Centre while undertaking missions for Winter's CIS. A famous photograph from the Piaras Béaslaí collection that is purported to show members of the Cairo Gang is lodged in the National Library of Ireland 's photographic archive (five copies). An inscription describes
6720-454: The nightly repartee with the D Branch men at Cafe Cairo, Rabiatti's Saloon, and Kidds Back Pub, was Dublin Metropolitan Police Detective Constable David Neligan , one of several moles Collins had recruited to infiltrate the G-Division. The IRA recruited most of the Irish domestic servants who worked in the rooming houses where the D Branch officers lived, and all of their comings and goings were meticulously reported to Collins's staff. All
6816-569: The operational environment, hostile, friendly and neutral forces, the civilian population in an area of combat operations, and other broader areas of interest. Intelligence activities are conducted at all levels, from tactical to strategic, in peacetime, the period of transition to war, and during a war itself. Most governments maintain a military intelligence capability to provide analytical and information collection personnel in both specialist units and from other arms and services. The military and civilian intelligence capabilities collaborate to inform
6912-462: The original doorcases and fireplaces were salvaged prior to rebuilding. The castle includes towers at two corners; other towers that once existed within the complex. The base of the original Bermingham Tower is one of the few remaining parts of the original castle. At the southwest corner of the castle, the tower has a modern upper part. It is unclear which member of the De Bermingham family
7008-559: The overall intelligence value after careful analysis. The tonnage and basic weaponry of most capital ships and aircraft are also public, and their speeds and ranges can often be reasonably estimated by experts, often just from photographs. Ordinary facts like the lunar phase on particular days or the ballistic range of common military weapons are also very valuable to planning, and are habitually collected in an intelligence library. A great deal of useful intelligence can be gathered from photointerpretation of detailed high-altitude pictures of
7104-537: The population, ethnic make-up and main industries of a region are extremely important to military commanders, and this information is usually public. It is however imperative that the collector of information understands that what is collected is "information", and does not become intelligence until after an analyst has evaluated and verified this information. Collection of read materials, composition of units or elements, disposition of strength, training, tactics, personalities (leaders) of these units and elements contribute to
7200-483: The prim Todd Andrews , Dolan took revenge by giving King's half-naked mistress "a right scourging with a sword scabbard", and setting fire to the room afterwards. Major Frank Murray Maxwell Hallowell Carew, an intelligence officer who, with Captain Price, had almost cornered 3rd Tipperary Brigade commander Seán Treacy a month before, was on the list. (Treacy had been killed by G men as he tried to shoot his way out of
7296-539: The provinces to support its 5th and 6th Division intelligence staff, but it decided to keep the unit in Dublin, at the Dublin District Division, commanded by Boyd. It was known officially as the Dublin District Special Branch (DDSB) and also as D Branch . In May 1920, Lieutenant Colonel Walter Wilson arrived in Dublin to take command of D Branch. Following the events of Bloody Sunday, 21 November 1920, when twelve D Branch officers were assassinated by
7392-488: The representative of the monarch . The second-in-command in the Dublin Castle administration, the Chief Secretary for Ireland , also had his offices there. Over the years parliament and certain law courts met at the castle before moving to new purpose-built venues. It also served as the base for a military garrison and later also intelligence services. Upon the formation of the Irish Free State in December 1922,
7488-518: The requirement. The analysis reports are used to inform the remaining planning staff, influencing planning and seeking to predict adversary intent. This process is described as Collection Co-ordination and Intelligence Requirement Management (CCIRM). The process of intelligence has four phases: collection, analysis, processing and dissemination. In the United Kingdom these are known as direction, collection, processing and dissemination. In
7584-488: The rooms formerly used by the Lord Lieutenant for personal accommodation and public entertaining during the Castle Season. Today these richly decorated rooms are used by the Irish government for official engagements including policy launches, hosting of State Visit ceremonial, and the inauguration of the president every seven years. The apartments and their collections form an accredited museum. The principal rooms of
7680-568: The royal bedrooms was Prime Minister Margaret Thatcher , who spent a night there with her husband Denis during one of the European Council meetings held in the 1980s. The most architectural space of the State Apartments, this expressive, deeply modelled corridor, was originally built c. 1758 to the designs of the Surveyor General , Thomas Eyre . Based on the early 18th-century corridor of Sir Edward Lovett Pearce in
7776-854: The scenes of assassination. A listing in The Times of killed and wounded notes that, in addition to Caldow, Captain Brian Keenlyside, Colonel Hugh Montgomery, Major (Wilfrid) Woodcock and Lieutenant Randolph Murray were wounded. On 10 December 1920, Montgomery died of the wounds he received on Bloody Sunday. Nineteen men were shot. Fourteen were killed on 21 November and Montgomery died later, making fifteen in all. Five were wounded (including King's mistress). Ames, Angliss, Baggallay, Bennet, Dowling, Fitzgerald, McCormack, MacLean, Montgomery, Newberry, Price, Wilde, Smith, Morris and Garniss were killed. Keenlyside, Woodcock, Murray and Caldow were wounded. Peel and others escaped. The dead included members of
7872-492: The skulls and faces of some of the officers they had shot. Two members of the Auxiliary Cadet Division, Temporary Cadets Frank Garniss, aged 34, and Cecil Augustus Morris, aged 24, were among a patrol of Auxiliaries who responded to the scene of one of the attacks, armed with .45 calibre Webley revolvers and a carbine . Garniss and Morris were shot and killed as they sought to cordon off the rear of one of
7968-658: The spectrum of political and military activities. Personnel performing intelligence duties may be selected for their analytical abilities and personal intelligence before receiving formal training. Intelligence operations are carried out throughout the hierarchy of political and military activity. Strategic intelligence is concerned with broad issues such as economics, political assessments, military capabilities and intentions of foreign nations (and, increasingly, non-state actors ). Such intelligence may be scientific, technical, tactical, diplomatic or sociological , but these changes are analyzed in combination with known facts about
8064-404: The state apartment complex include: This is the grandest room of the state apartments, and contains one of the most important decorative interiors in Ireland. Formerly the ballroom of the Lord Lieutenant's administration, today the room is used for presidential inaugurations. If a president of Ireland dies in office, such as Erskine H. Childers in 1974, it is here that he or she lies in state. It
8160-550: The state that is paying for the intelligence. However, human intelligence is often the only form of intelligence that provides information about an opponent's intentions and rationales, and it is therefore often uniquely valuable to successful negotiation of diplomatic solutions. In some intelligence organizations, analysis follows a procedure. First, general media and sources are screened to locate items or groups of interest, and then their location, capabilities, inputs and environment are systematically assessed for vulnerabilities using
8256-399: The streets of Dublin in plain clothes, looking for wanted men. The gang posed a serious threat to Collins's apparatus and even caught a Volunteer whom Collins had brought to Dublin to identify Igoe. The Igoe Gang was accused of using excessive force while interrogating prisoners – prior to his hanging, IRA man Thomas Traynor (a member of The Forgotten Ten ) was badly beaten by members of
8352-542: The tower was named for; perhaps William or Walter or John or Sir Walter. The Record Tower at the southeast corner is another original part of the castle. Also known as the Wardrobe Tower, it originally dates from the 1220s. It was restored between 1810 and 1813 by Francis Johnston . It hosted the Garda Museum until its 2017 relaunch in the Treasury Building. Construction of Bedford Tower began in 1750, and
8448-664: The two targeted men. Despite many accounts to the contrary, Byrne was not involved in the killings in Morehampton Road that morning. Sergeant John J Fitzgerald, of the Royal Irish Constabulary , also known as "Captain Fitzgerald" or "Captain Fitzpatrick", whose father was from County Tipperary , was killed a kilometre away at 28 Earlsfort Terrace . He had survived an assassination attempt when
8544-963: The unit, Mick Flanagan, arrived, pushed Mrs Keenlyside out of the way and shot her husband. At 119 Morehampton Road , Donnybrook, 2.3 km from the scene of the first shootings, another member of the Cairo Gang, Lieutenant Donald Lewis MacLean, along with a suspected informer, T. H. Smith and MacLean's brother-in-law, John Caldow, were taken into the hallway and about to be shot, when MacLean asked that they not be shot in front of his wife. The three were taken to an unused bedroom and shot. Caldow survived his wounds and fled to his home in Scotland . Just 800 metres away, at 92 Lower Baggot Street, another Gang member, Captain William Frederick Newberry, and his wife, heard their front door come crashing down and blockaded themselves into their bedroom. Newberry rushed for his window to try to escape but
8640-470: The volunteers of the 2003 Special Olympics World Summer Games . Dublin Castle is maintained and managed by the Office of Public Works (OPW). Dublin Castle has appeared in numerous films including Barry Lyndon , Michael Collins , Becoming Jane and The Medallion , as well as the television series The Tudors , where it doubles as the Vatican in the pilot. Part of Dublin Castle appears on
8736-479: Was commanded that a castle be built with strong walls and good ditches for the defence of the city, the administration of justice, and the protection of the King's treasure. Largely complete by 1230, the castle was of typical Norman courtyard design, with a central square without a keep , bounded on all sides by tall defensive walls and protected at each corner by a circular tower. Sited to the southeast of Norman Dublin,
8832-570: Was completed in 1761 by Thomas Eyre. The Guard House mirrors it. The base of this tower can be seen in the basement of the northeast corner of the lower castle yard. It was also known as the Storehouse Tower and was built around 1228. Its calp walls were 3.7 metres thick, and the internal diameter was 6.1 metres. The base of this tower is still along the flow of the River Poddle. Surviving Viking defences remain under this section of
8928-763: Was incarcerated in the Bermingham Tower before being transported to New South Wales in 1799. In 1884 officers at the Castle were at the centre of a homosexual scandal incited by the Irish Nationalist politician William O'Brien through his newspaper United Ireland . In 1907 the Irish Crown Jewels were stolen from the Castle. Suspicion fell upon the Officer of Arms, Sir Arthur Vicars , but rumours of his homosexuality and links to socially important gay men in London, may have compromised
9024-623: Was not on their list. Instead, they gave him 24 hours to leave Ireland, although the major left Ireland in no hurry despite that close call. In the Eastwood Hotel at 91 Lower Leeson Street , the IRA failed to find their target, Captain Thomas Jennings. Other targets who escaped were Captain Jocelyn Hardy and Major William Lorraine King, a colleague of Hardy who was missing when Joe Dolan burst into King's room. According to
9120-483: Was shot while climbing out by Bill Stapleton and Joe Leonard, after they had broken the door down. Two key members of the Gang, Lieutenant Peter Ashmun Ames and Captain George Bennett, were made to stand facing the wall on a bed in a downstairs rear bedroom and shot by Vinny Byrne and others in his squad. A maid had let the attackers into 38 Upper Mount Street and indicated, at gunpoint, the rooms occupied by
9216-643: Was the confidential code clerk for British Army Intelligence Centre in Parkgate Street and Sergeant Jerry Mannix, stationed in Donnybrook . Mannix provided the IRAID with a list of names and addresses of all the members of the Cairo Gang. Collins's case officers on the intelligence staff – Liam Tobin , Tom Cullen and Frank Thornton – were meeting with several D Branch officers nightly, pretending to be informers. Another IRA penetration source, participating in
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