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 Gaza RAF Gaza RAF Gaza was a Second World War RAF airfield in the present day Gaza Strip, probably on the site of Karni crossing. During the Second World War RAF Gaza was used by a number of RAF squadrons, including 33, 45, 127, 208, 318 and 451 Squadrons. No.2 Air Crew Officers School was based on the airfield, and the Greek Training Flight was also based there in 1941–1942. The airfield was used as the Middle East ammunition depot from July to September 1942. It was in use by 1941, and may have first been used earlier. RAF Gaza was