Lineage (excerpt)
Reformed as 'No.1 (Operations) Squadron' 1 April 1925. Redesignated 'No.1 Squadron (Training)' 1 April 1927. Disbanded 1 July 1927.
Reformed as 'No.1 (Fighter) Squadron' 1 November 1935 (later 401 (Fighter) Squadron: see 401 Squadron).
Authorized as 'Conversion Training Squadron' 29 November 1940. Redesignated 'No.1 Refresher Squadron' 15 March 1943. Disbanded 29 October 1943.
Reformed as '1 Composite Squadron' from '1 Composite Detachment' (authorized 15 July 1943) 1 April 1945. Disbanded 7 July 1945.
Note: no lineal connection between the '1 Squadron' of 1918-20, 1925-27 and 1937-41 and the 1 Composite Squadron of 1940-45 (see 401 Squadron).
Operational history
The Second World War
1 Composite Detachment/Squadron served on target towing, communications and air-sea rescue duties under 'Eastern Air Command'.
Government of Canada, The Insignia and Lineages of the Canadian Forces, Volume 4: Operational Flying Squadrons (A-AD-267-000/AF-004)