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 Eastchurch a number of pillboxes. The main roads in the prison reflect the aviation links; Rolls Avenue and Airfield View, Short's Prospect and Wright's Way. In the entrance to HMP Swaleside are two brass plaques; one records that the prison is built on what was the airstrip of RAF Eastchurch and the other lists the owners of the airstrip from 1909 to the end of the RAF use. RAF Eastchurch RAF Eastchurch was a Royal Air Force station near Eastchurch village, on the Isle of Sheppey, Kent, England. The history of aviation at Eastchurch stretches back to the first decade of