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 Gatow Corridors, the Dakota received the RAF serial number ZD215. The Dakota is still at Gatow, inside the German Air Force barracks. In November 1948, the latest RAF transport aircraft, the Handley Page Hastings, was added to the squadrons flying into RAF Gatow and some aircrews and aircraft were redeployed to train replacement aircrews. Many of these were based at RAF Schleswigland, near Jagel, which is currently used by the German Air Force and the Marineflieger. A Hastings aircraft, which served on the airlift and was later RAF Gatow's 'gate guardian' until the station's closure, is now preserved in the "Alliierten