Royal Air Force and replacement by the F-35, the RAF Lossiemouth-based 15 (Reserve) Squadron (the Tornado Operational Conversion Unit) was disbanded in March 2017. Lightning: On 23 November 2015 it was announced that a total of 138 F-35Bs will be ordered. 617 (The Dambusters) Squadron officially reformed on 18 April 2018 as an RAF Lightning Squadron. The first four aircraft arrived at RAF Marham on 7 June 2018. The Sentry AEW1, based at RAF Waddington, provides airborne early warning to detect incoming enemy aircraft and to co-ordinate the aerial battlefield. The Sentinel R1 (formally known as ASTOR – Airborne STand-Off Radar) provides a
RAF Pembrey RAF Pembrey Royal Air Force Pembrey or RAF Pembrey was a Royal Air Force station located near the village of Pembrey, Carmarthenshire, north west of Burry Port and south of Carmarthen, Wales. Construction of the airfield for RAF Flying Training Command started in 1937. The airfield opened in March 1939, and by September 1939 the RAF's No. 2 Air Armament School was the first unit to be stationed at the airfield. During the Second World War, RAF Pembrey was the airfield base for many of the period's flying aces, and Wing Commander Guy Gibson of the Dambusters. By May 1940,