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 Hockley Heath April 1945 and 23 July 1946. The last unit to join the station was No. 21 Flying Training School RAF (FTS) flying Harvards mainly from RAF Snitterfield but the airfield were used as a satellite to disperse the aircraft to release the pressure and activity of the main base. The school operated between 3 April 1945 and 18 September 1946. RAF Hockley Heath had its fair share of accidents with a number listed between 1940 and 1945. These are just a small number of examples: The airfield is disused and is currently open land used for farming. RAF Hockley Heath