No._1967_Air_Observation_Post_Flight_RAF
No. 666 Squadron AAC
Military unit
No. 666 Squadron AAC (V) is a former squadron of the British Army's Army Air Corps (AAC). It was previously No. 666 Squadron RAF, a unit of the Royal Air Force during the Second World War and afterwards became a Royal Auxiliary Air Force (RAuxAF) squadron between 1 May 1949 and 10 March 1957.
No. 666 Squadron RAF was a Royal Air Force air observation post (AOP) squadron associated with the Canadian 1st Army and later part of the Royal Auxiliary Air Force. Numbers 651 to 663 Squadron of the RAF were air observation post units working closely with British Army units in artillery spotting and liaison. A further three of these squadrons, 664–666, were manned with Canadian personnel. Their duties and squadron numbers were transferred to the Army with the formation of the Army Air Corps on 1 September 1957[4][5]