On initial formation or from 1936 the Command appears to have directed Nos 20, 21, 23, 24, and No. 26 Group RAF.
No. 23 Group was transferred to Training Command on 1 May 1936. It was then transferred again to Flying Training Command on 27 May 1940. It was reabsorbed into Training Command in 1968.[3] After 1 January 1957, No. 23 Group was responsible for Nos 1 - 5, No. 6 (1957-68), No. 7 (from 1957-60) and No. 8 Flying Training School RAF (from 1957-64); it disbanded at RAF Linton-on-Ouse on 2 May 1975.