No. 61 Group RAF was formed on 1 July 1940 at Aldergrove before moving on 7 July 1940 to Dunlambert Hotel, Fort William Park, Belfast. It was redesignated to RAF NI on 1 August 1940. It was reformed on 2 May 1946 as No. 61 (Eastern Reserve) Group within Rickmansworth, moving to RAF Kenley on 1 August 1946. It was renamed to No. 61 (Eastern) Group on 1 August 1950, on 1 January 1957 it was renamed to No. 61 (Southern Reserve) Group and was disbanded on 31 March 1959.[1]
No. 62 (Southern Reserve) Group RAF was operational between 15 May 1946 and 31 and 1 February 1957. It was initially based within Exeter but moved to RAF Middle Wallop on 2 July 1946 then to RAF Rudloe Manor on 26 January 1948. Tt was renamed to No. 62 (Southern) Group RAF on 1 August 1950 then moved to RAF Pucklechurch on 16 June 1952 and was disbanded into No. 61 Group on 1 February 1957.[1]
No. 65 (London Reserve) Group was operational between 2 May 1946 and 1 February 1951. It was renamed to No. 65 (London) Group on 1 August 1950 and was disbanded into No. 61 Group on 1 February 1951.[1]