• An operational conversion unit (OCU) is a unit within an air force whose role is to support preparation for the operational missions of a specific aircraft...
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  • No. 2 Operational Conversion Unit (No. 2 OCU) is a fighter training unit of the Royal Australian Air Force (RAAF). Located at RAAF Base Williamtown, New...
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  • No. 240 Operational Conversion Unit RAF is a former Royal Air Force Operational conversion unit which was formed by a series of mergers, it then became...
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  • Thumbnail for List of conversion units of the Royal Air Force
    Conversion units and operational conversion units (OCUs) were training units of the Royal Air Force (RAF). With the introduction of new heavy bombers,...
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  • No. 236 Operational Conversion Unit was a Royal Air Force Operational Conversion Unit which was active between 1947 and 1992 and formed by re-numbering...
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  • Thumbnail for No. 228 Operational Conversion Unit RAF
    No. 228 Operational Conversion Unit was a Royal Air Force Operational conversion unit. It was formed in No. 12 Group at RAF Leeming from Nos. 13 and 54...
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  • No. 231 Operational Conversion Unit was a Royal Air Force Operational conversion unit that disbanded during April 1993. It was active twice, initially...
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  • Thumbnail for No. 226 Operational Conversion Unit RAF
    No. 226 Operational Conversion Unit was a Royal Air Force Operational Conversion Unit which was active between 1946 and 1991. It was first formed on 15...
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  • No. 242 Operational Conversion Unit RAF is a former Royal Air Force Operational conversion unit which operated between 16 April 1951 and 1 July 1992 when...
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  • Thumbnail for RAF Thorney Island
    Commando Air-Sea Warfare Development Unit RAF Aircraft Torpedo Development Unit RAF Andover Operational Conversion Unit RAF Coastal Command Fighter Circus...
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  • Thumbnail for No. 230 Operational Conversion Unit RAF
    230 Operational Conversion Unit (OCU) was first created on 15 March 1947 at RAF Lindholme, by re-designation of No. 1653 Heavy Conversion Unit RAF, to...
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  • No. 237 Operational Conversion Unit was a Royal Air Force Operational conversion unit. First formation: 31 July 1947 - 1 December 1951 Second formation:...
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  • Thumbnail for Pembrey Sands Air Weapons Range
    period, and was displayed on all the RAF Pembrey vehicles. The Operational Conversion Unit disbanded in September 1957 and the station closed soon afterwards...
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  • No. 232 Operational Conversion Unit was an Operational conversion unit of the Royal Air Force which existed between 1955 and 1986 The unit was first formed...
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  • Outline of the British Royal Air Force at the end of the Cold War (category Military units and formations of the Royal Air Force)
    reconnaissance, Harrier GR5 No. 233 Operational Conversion Unit RAF — Harrier GR5 RAF Brawdy No. 1 Tactical Weapons Unit RAF No. 79 (R) Squadron RAF — Hawk...
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  • Thumbnail for Middle Wallop Flying Station
    (Air Observation Post) Conversion Unit (1947–50), No. 227 Operational Conversion Unit RAF (1947), No. 43 Operational Training Unit (1942–47), No. 1424 (Air...
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  • Thumbnail for No. 1 Operational Conversion Unit RAAF
    No. 1 Operational Conversion Unit (No. 1 OCU) was an operational training unit of the Royal Australian Air Force (RAAF). Formed in January 1959 at RAAF...
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  • No. 6 Squadron RAAF (category Military units and formations established in 1917)
    war. The squadron was re-raised in 1948 as the RAAF's bomber operational conversion unit. It has primarily served in this capacity since that time, though...
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  • Thumbnail for List of accidents and incidents involving the English Electric Lightning
    Operational Conversion Unit RAF abandoned following a fire warning north of Cromer, Norfolk. 6 May 1966 – Lightning F1A XM213 of No. 226 Operational Conversion...
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  • Thumbnail for No. 20 Squadron RAF
    No. 20 Squadron RAF (category Military units and formations established in 1915)
    No. 20 Squadron is the Royal Air Force's Operational Conversion Unit (OCU) for ground-based Tactical Air Command and Control, and Air Battle Management...
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  • Thumbnail for RAF Air Support Command
    RAF Air Support Command (category Transport units and formations of the Royal Air Force)
    - Britannia No. 241 Operational Conversion Unit RAF - Belfast, Britannia & VC10 RAF Coningsby No. 228 Operational Conversion Unit RAF - Phantom RAF Lyneham...
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  • An Operational Evaluation Unit is a type of "reserve" squadron of the Royal Air Force. OEU squadrons are tasked with evaluating an aircraft's weapons...
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  • Thumbnail for List of RAF squadron codes
    List of RAF squadron codes (category Lists of Commonwealth air force units)
    were often changed, to avoid confusion with RAF units. * = RAAF/RCAF unit that was not under RAF operational control. Transport Command RAF applied the following...
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  • Thumbnail for RAF Lossiemouth
    2025. No. 42 Squadron is the operational conversion unit for the Poseidon and Wedgetail. There are a number of non-flying units at RAF Lossiemouth including...
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  • Thumbnail for No. 54 Squadron RAF
    No. 54 Squadron RAF (category Military units and formations established in 1916)
    role of Intelligence, Surveillance and Reconnaissance (ISR) Operational Conversion Unit, and is now the Advanced Air ISTAR Academy, responsible for training...
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  • RAF Lossiemouth as No. XV (Reserve) Squadron. It was the RAF's Operational Conversion Unit for the Tornado GR4 which taught pilots and Weapon Systems Officers...
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  • Thumbnail for Lockheed Martin F-35 Lightning II operators
    17 Squadron (Operational Evaluation Unit) – 3 operated for testing RAF Marham, Norfolk, UK No. 207 Squadron (Operational Conversion Unit) No. 617 Squadron...
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  • No. 42 Squadron RAF (category Military units and formations established in 1916)
    It reformed at RAF Lossiemouth on 21 September 2023 as the Operational Conversion Unit for both the Boeing Poseidon MRA1 and Boeing Wedgetail AEW1....
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  • Thumbnail for Boeing Chinook (UK variants)
    Squadron No. 27 Squadron No. 240 Operational Conversion Unit RAF – Joint Chinook and Puma HC1 Operational Conversion Unit, 1980 to 1993 RAF Benson No. 28...
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  • Thumbnail for List of Iraqi Air Force aircraft squadrons
    List of Iraqi Air Force aircraft squadrons (category Lists of military units and formations by country)
    - declared operational on the Mikoyan-Gurevich MiG-23. 1983 - disbanded and transferred its aircraft to No. 59 Operational Conversion Unit. 1987 - re-established...
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