Awarded: June 1958
Blazon: A Crane’s Head and neck erased proper holding in the beak an open Padlock Or with its Key Argent
Link: The open padlock and key symbolise the role of the unit in searching for information.
Motto: Valiant and Vigilant
History: Formed at Benson on 19 October 1942, disbanding there on 18 October 1943. Re-formed at Gaydon on 1 July 1955, finally disbanding at Wyton on 27 May 1974.
Battle Honours: No Standard
Sponsored by Just Wood and dedicated to all who served with No 543 Squadron