Number 4 Squadron, normally written as No. IV Squadron, is a squadron of the Royal Air Force. Since November 2011, it has operated the BAE Hawk T2 from RAF Valley, Anglesey, Wales. The squadron provides weapons and tactics training for student pilots after they have completed their conversion to jet aircraft with No. XXV(F) Squadron. Between 1970 and January 2011, No. IV Squadron operated various marks of the Hawker Siddeley Harrier and British Aerospace Harrier II.
Number 54 Squadron is a squadron of the Royal Air Force based at RAF Waddington, Lincolnshire. On 1 September 2005, it took on the role of Intelligence, Surveillance and Reconnaissance (ISR) Operational Conversion Unit, and is now the Advanced Air ISTAR Academy, responsible for training all RAF crews assigned to the MQ-9A Reaper, Protector RG1 (MQ-9B), Shadow R1/R2, RC-135W Rivet Joint and Poseidon MRA1. It also controls the RAF ISR Warfare School (ISRWS) who run the Qualified Weapons Instructor Intelligence, Surveillance and Reconnaissance and QWI Reaper Courses.
No. 34 Squadron RAF was a squadron of the Royal Air Force. During the First World War it operated as a reconnaissance and bomber squadron and in the 1930s operated light bombers. It was re-equipped with fighter-bombers in the later half of the Second World War and in the post-war period was reformed four times; first as a photo-reconnaissance unit, then anti-aircraft co-operation, then as a jet fighter squadron through the 1950s. It was last active in the 1960s, as a Blackburn Beverley transport squadron.
No. 90 Squadron RAF is a squadron of the Royal Air Force.
No. 453 Squadron is an air traffic control unit of the Royal Australian Air Force. It was established at Bankstown, New South Wales, in 1941 as a fighter squadron, in accordance with Article XV of the Empire Air Training Scheme for overseas service with the Royal Air Force during World War II. No. 453 Squadron saw combat first in the Malayan and Singapore campaigns of 1941–42. Severe aircraft losses effectively destroyed the squadron and it was disbanded in March 1942. A successor unit by the same name was raised in Britain from mid-1942, to take part in fighting against Nazi Germany in Europe until 1945. The squadron was disbanded in 1946. It was re-formed in its current role in 2011.
No. 284 Squadron was a Royal Air Force squadron.
No. 52 Squadron was a Royal Air Force squadron that saw service in both World War I and World War II.
No. 266 (Rhodesia) Squadron RAF was a squadron of the Royal Air Force.
No. 459 Squadron RAAF was a Royal Australian Air Force squadron that operated during World War II. It was formed in early 1942 and served as a maritime patrol and bomber unit in the Mediterranean theatre until early 1945, operating mainly Lockheed Hudson aircraft. In early 1945, the squadron was transferred to the United Kingdom with the intention of being transferred to RAF Coastal Command and converting to Vickers Wellington bombers; however, due to a series of delays the conversion was not completed and the squadron was disbanded in April 1945.
Number 55 Squadron was a flying squadron of the Royal Air Force (RAF). First formed in April 1917, the squadron saw action on the Western Front during the First World War. Based in the Middle East during the interwar period and the Second World War, No. 55 Squadron saw action over Iraq, Egypt, Libya and Italy. Between 1960 and 1993, the unit flew the Handley Page Victor. Initially on the Victor B.1A before becoming a tanker squadron in 1965 with the Victor B(K).1A/K.1/K.1A before converting to the Victor K.2 in 1975. Disbanding in October 1993, No. 55 Squadron were the last RAF unit to operate the Victor. Between 1996 and 2011, No. 55(Reserve) Squadron operated the Hawker Siddeley Dominie T.1 from RAF Cranwell, Lincolnshire, helping to train navigators for the RAF.
No. 113 Squadron began service in 1917 with the Egyptian Expeditionary Force commanded by General Edmund Allenby. Initially, the squadron was a unit of the Royal Flying Corps, serving during the Sinai and Palestine Campaign and as a reconnaissance, army cooperation, bomber, fighter, transport and missile operation squadron during its existence.
No. 261 Squadron RAF was a squadron of the Royal Air Force during World War I and World War II. It was involved in the defence of Malta from August 1940 till May 1941 and the campaign in Burma.
No. 205 Squadron was a Royal Air Force unit formed on 1 April 1918. Prior to this it had existed as No. 5 Squadron of the Royal Naval Air Service (RNAS). In 1929, it became the first RAF squadron to be permanently based in Singapore, taking as its motto Pertama di Malaya. No. 205 Squadron operated during World War II and the Cold War before disbanding on 31 October 1971.
No. 235 Squadron RAF was an anti-submarine squadron of the Royal Air Force in World War I and in World War II served as a squadron in RAF Coastal Command.
No. 62 Squadron of the Royal Air Force was originally established as a Royal Flying Corps squadron in 1916 and operated the Bristol F2B fighter in France during the last year of the First World War. After the war the squadron was disbanded and it was re-established in 1937 as part of the buildup of the RAF in the late 1930s. During the Second World War the Squadron was deployed to the Far East, operating the Bristol Blenheim from Singapore and Malaya. In 1942 No. 62 Squadron was re-equipped with the Lockheed Hudson and it moved to Sumatra, then Burma and then India. After the close of World War II the squadron disbanded for the second time. It was briefly re-established from 1946 to 1947 as a Dakota squadron and operated out of Burma and India. It final incarnation was as a Bristol Bloodhound missile unit in the early 1960s.
Number 88 Squadron was an aircraft squadron of the Royal Air Force. It was formed at Gosport, Hampshire in July 1917 as a Royal Flying Corps (RFC) squadron.
No. 103 Squadron was a Royal Air Force bomber squadron during World War I, World War II and the Cold War, switching to helicopters in the late 1950s until it was disbanded for the last time in 1975.
No. 82 Squadron RAF was a Royal Air Force squadron that was first formed in 1917 and last disbanded in 1963. It served at times as a bomber unit, a reconnaissance unit and lastly as an Intermediate Range Ballistic Missile (IRBM) unit.
No. 614 Squadron was originally formed on 1 June 1937 as an army co-operation squadron unit of the Auxiliary Air Force. It served during the Second World War first in this role and later as a bomber squadron. Upon reformation it served as a fighter squadron until the disbandment of the Royal Auxiliary Air Force on 10 March 1957.
No. 135 Squadron RAF was a Royal Air Force Squadron formed to be a bomber unit in the First World War and reformed as a fighter unit in Second World War.
United Kingdom 
Royal Air Force 