No. 23 Group RAF
[2] The Group was transferred to RAF Training Command on 1 May 1936.[3] In September 1939 it controlled Nos 1, 2, 3, 5, 6, 7, 9, 10, 11, and 12 Service Flying Training Schools, the Aeroplane and Armament Experimental Establishment at RAF Martlesham Heath, in Suffolk and the group communications flight, co-located with Group Headquarters, at RAF Spitalgate, in Lincolnshire.[4] It was then transferred again, this time to RAF Flying Training Command on 27 May 1940.23 Group had various Headquarters across its two active periods:[1] Air Officer Commanding, No.23 Group Royal Air Force, from reformation to the end of World War II.