On the 15 October 1940 Flying Officer R S Crawford was promoted to the rank of Flight Lieutenant as per the London Gazette dated 26 November 1940.
On 15 March 1941 Flight Lieutenant R S Crawford was transferred to the reserve and called up for Air Force service as per the London Gazette, dated 4 April 1944.
Flight Lieutenant R S Crawford was promoted to Squadron Leader (temporay) with effect from 1st June 1942, with seniority from the 1 March 1942, as per the London Gazette dated 3 July 1942.
London Gazette
