 The Association played the lead role in establishing the squadron museum near York.The latest incarnation of the squadron was formed at RAF Leeming on 1 July 1998 and was originally named the Air Defence Support Squadron, the 609 number plate was granted on 1 October 1999.The squadron is no longer a flying Squadron, but instead has the role of Force Protection, it is employed to prevent or minimise the effects of enemy attack on RAF bases.