No. 240 Squadron RAF was a

Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) an ...

flying boat and

seaplane A seaplane is a powered fixed-wing aircraft capable of taking off and landing (alighting) on water.Gunston, "The Cambridge Aerospace Dictionary", 2009. Seaplanes are usually divided into two categories based on their technological characteri ...

squadron during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

and up to 1959. It was then reformed as a strategic missile squadron, serving thus till 1963.

History

Formation and World War I

No. 240 Squadron of the

was formed at

RAF Calshot Royal Air Force Calshot or more simply RAF Calshot was initially a seaplane and flying boat station, and latterly a Royal Air Force marine craft maintenance and training unit. It was located at the end of Calshot Spit in Southampton Water, Hamp ...

on 20 August 1918 to provide anti-submarine protection, using its Short 184s

s and Felixstowe F2A flying boats. It was disbanded on 15 May 1919.Jefford 2001, p. 78.

Reformation and World War II

The squadron was re-formed at RAF Calshot on 30 March 1937. It was at initially equipped with

Supermarine Scapa The Supermarine Scapa was a British general reconnaissance flying boat built by Supermarine that was used by the Royal Air Force between 1935 and 1939. It was developed from the Southampton and formed the basis of the later Stranraer flying boat ...

s and after a year converted to

Short Singapore The Short Singapore was a British multi-engined biplane flying boat built after the First World War. The design was developed into two four-engined versions: the prototype Singapore II and production Singapore III. The latter became the Roya ...

s, which were followed a year later by the

Saro London The Saunders Roe A.27 London was a British military biplane flying boat built by the Saunders Roe company. Only 31 were built, entering service with the Royal Air Force (RAF) in 1936. Although due for replacement by the outbreak of World War ...

, planning to convert later to

Saro Lerwick The Saunders-Roe A.36 Lerwick was a British flying boat built by Saunders-Roe Limited (Saro). It was intended to be used with the Short Sunderland in Royal Air Force Coastal Command but it was a flawed design and only a small number were built. ...

s, but getting

Supermarine Stranraer The Supermarine Stranraer is a flying boat designed and built by the British Supermarine Aviation Works company at Woolston, Southampton. It was developed during the 1930s on behalf of its principal operator, the Royal Air Force (RAF). It wa ...

s in June 1940 instead. During March 1941 these were replaced with

Consolidated Catalina The Consolidated PBY Catalina is a flying boat and amphibious aircraft that was produced in the 1930s and 1940s. In Canadian service it was known as the Canso. It was one of the most widely used seaplanes of World War II. Catalinas served wit ...

s, to carry out anti-submarine patrols over the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

. It then moved to

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

in March 1942 where it flew anti-shipping and submarine patrols from

Red Hills Lake Pulhal aeri, or Pulhal lake, sometimes spelled Puzhal lake, also known as the Red Hills Lake, is located in Red Hills, Chennai, India. It lies in Thiruvallur district of Tamil Nadu state. It is one of the two rain-fed reservoirs from where wa ...

, where it was disbanded on 1 July 1945. The squadron reformed that same day, 1 July 1945, from elements of 212 Squadron and 240 Squadron's Special Duties Flight. The squadron was continuing "special duties" into September 1945, evacuating Operation "Lunch" from the Andaman Islands on 7 September 1945.NARA OSS History Record Group 226Entry 99,Box 126, India Burma Theater Report September 1945 The squadron converted to

Short Sunderland The Short S.25 Sunderland is a British flying boat patrol bomber, developed and constructed by Short Brothers for the Royal Air Force (RAF). The aircraft took its service name from the town (latterly, city) and port of Sunderland in North Ea ...

Mk.Vs and moved to Ceylon in 1945, where it disbanded on 31 March 1946 at RAF Koggala.

Post war: Shackletons and Missiles

On 1 May 1952 the squadron re-formed again at

RAF Aldergrove Joint Helicopter Command Flying Station Aldergrove or more simply JHC FS Aldergrove is located south of Antrim, Northern Ireland and northwest of Belfast and adjoins Belfast International Airport. It is sometimes referred to simply as Alde ...

and was equipped with

Avro Shackleton The Avro Shackleton is a British long-range maritime patrol aircraft (MPA) which was used by the Royal Air Force (RAF) and the South African Air Force (SAAF). It was developed by Avro from the Avro Lincoln bomber, which itself had been a develo ...

Mk.1a maritime reconnaissance aircraft. The squadron moved to

Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...

in June 1952, where it disbanded on 1 November 1958 at

RAF Ballykelly Royal Air Force Ballykelly or more simply RAF Ballykelly is a former Royal Air Force station which opened in 1941 in Ballykelly, County Londonderry. It closed in 1971 when the site was handed over to the British Army as Shackleton Barracks. A s ...

by being renumbered to 203 sqn. The squadron reformed once again on 1 August 1959, as one of 20 Thor Strategic Missile (SM) Squadrons, associated with

Project Emily Project Emily was the deployment of American-built Thor intermediate-range ballistic missiles (IRBMs) in the United Kingdom between 1959 and 1963. Royal Air Force (RAF) Bomber Command operated 60 Thor missiles, dispersed to 20 RAF air stations ...

. The squadron was equipped with three

Thor Thor (; from non, Þórr ) is a prominent god in Germanic paganism. In Norse mythology, he is a hammer-wielding god associated with lightning, thunder, storms, sacred groves and trees, strength, the protection of humankind, hallowing, an ...

Intermediate range ballistic missile An intermediate-range ballistic missile (IRBM) is a ballistic missile with a range of 3,000–5,500 km (1,864–3,418 miles), between a medium-range ballistic missile (MRBM) and an intercontinental ballistic missile (ICBM). Classifying ba ...

s, and stationed at

RAF Breighton Breighton Aerodrome is a private aerodrome primarily used for general aviation flying located on the former Royal Air Force Breighton or more simply RAF Breighton, a former Royal Air Force station located near to the village of Breighton, East ...

. In October 1962, during the Cuban Missile Crisis, the squadron was kept at full readiness, with the missiles aimed at strategic targets in the

USSR The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...

. The squadron was disbanded with the termination of the Thor Programme in Great Britain, on 8 January 1963.

Aircraft operated

Squadron bases

References

;Notes ;Bibliography * Bowyer, Michael J.F. and John D.R. Rawlings. ''Squadron Codes, 1937-56''. Cambridge, UK: Patrick Stephens Ltd., 1979. . * Flintham, Vic and Andrew Thomas. ''Combat Codes: A full explanation and listing of British, Commonwealth and Allied air force unit codes since 1938''. Shrewsbury, Shropshire, UK: Airlife Publishing Ltd., 2003. . * Halley, James J. ''The Squadrons of the Royal Air Force & Commonwealth, 1918-1988''. Tonbridge, Kent, UK: Air Britain (Historians) Ltd., 1988. . * Jefford, C.G. ''RAF Squadrons, a Comprehensive record of the Movement and Equipment of all RAF Squadrons and their Antecedents since 1912''. Shrewsbury, Shropshire, UK: Airlife Publishing, 1988 (second edition 2001). . * Rawlings, John D.R. ''Coastal, Support and Special Squadrons of the RAF and their Aircraft''. London: Jane's Publishing Company Ltd., 1982. .

External links

History of No.'s 236–240 Squadrons at RAF Web
{{Royal Air Force 240 Squadron Aircraft squadrons of the Royal Air Force in World War II Maritime patrol aircraft squadrons 1918 establishments in the United Kingdom Military units and formations of Ceylon in World War II Military units and formations established in 1918 Military units and formations disestablished in 1963