The Auxiliary Air Force dates back to the 1920s. In 1925, AAF 502 (Ulster) Squadron made history, becoming the first of 21 Special Reserve Squadrons.
No. 968 Balloon Squadron
Auxiliary Air Force No. 968 Barrage Balloon Squadron formed at Bishipbriggs, East Dunbartonshire before moving to Belfast, Co. Antrim in September 1940.