Central Fighter Establishment – Kestrel (P.1127) Evaluation Squadron (also known as the Tripartite Evaluation Squadron), nine Kestrel aircraft allocated for evaluation in 1965. One aircraft was lost in an accident, six aircraft later passed to the United States Army, one to the RAE and one to Hawker-Siddeley for further trials.[1]
(aircrew participated in both the Tri-partite Evaluation Squadron and as part of the American XV-6A Tri-service evaluation team. Had three Kestrel aircraft allocated after the evaluation at West Raynham and also acquired the three allocated to Germany. Four later transferred to the United States Air Force and two to the National Aeronautics and Space Administration).[2]
(aircrew participated in both the Tri-partite Evaluation Squadron and as part of the American XV-6A Tri-service evaluation team but had no aircraft allocated after the evaluation at West Raynham, four former United States Army aircraft operated for trials).[2]
(aircrew participated in both the Tri-partite Evaluation Squadron and as part of the American XV-6A Tri-service evaluation team but had no aircraft allocated after the evaluation).[2]
Squadron 1 Wing 3 (HTMS Chakri Naruebet Flying Unit) – AV-8S and TAV-8S.[4] By 1999, only one aircraft of the 10 former Spanish aircraft received was believed to be airworthy because of lack of available spares.[5] In 2006 the Harrier was retired from service.[6]
re-equipped with Harrier GR.1s between July and October 1969 at RAF Wittering. It started to replace its first generation Harriers with Harrier GR.5s in 1988, discarding its last GR.3 on 31 March 1989.[7]
converted to HarrierGR.1s at RAF Wittering in early 1970, moving to Wildenrath in Germany in June that year. It moved to RAF Gütersloh in January 1977 and replaced its GR.3s with Harrier GR.7s in 1990.[9]
reformed at RAF Wittering in October 1970, moving to Wildenrath later that year. It disbanded in February 1977, with its aircraft being shared between the other two Germany based squadrons.[10]
formed at Wittering from the Harrier Conversion Unit in October 1970.[11] No 233 OCU was assigned the numberplate 20(R) Squadron in 1992,[12] with the unit flying GR.3 until 1994[13] and the T.4 until 1996.[14]
The Marine Corps has 87 AV-8B/+ and 12 TAV-8B trainer as of Jan 2024 . Each fighter squadron operates 16 AV-8B Harrier jets. The Marine Corps currently plans to have all squadrons transitioned to or start to transition to the F-35 platform by 2026.[22]
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