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 Wyton Henlow tri site was disbanded. JFC assumed responsibility for RAF Brampton/ Wyton, with RAF Henlow remaining under the control of Headquarters Air Command. The decision to close RAF Brampton by December 2013 led to the command and control of the Station transferring to RAF Wyton. RAF Brampton was renamed Brampton Camp and became a satellite unit of RAF Wyton. RAF Wyton is undergoing transformation through the Programme to Rationalise and Integrate the Defence Intelligence Estate (PRIDE). Under JFC, RAF Wyton will become home to the Headquarters of the Joint Forces Intelligence Group (JFIG). Through JFIG, a number of key components