Career
Rawnsley initially served as an air-gunner but retrained to become a navigator/radar operator and was sent to Number. 604 Squadron Royal Air Force flying Beaufighters. Using the new airborne interception (Artificial Intelligence) equipment (an early form of airborne radar).
Using this tracking device at night, Rawnsley was able to guide Cunningham onto targets.
Their first confirmed "kill" came on the night of 19 – 20 November, 1940, when they downed a German Junkers Ju-88 bomber over Oxfordshire. On 4 April, 1941 he was awarded a Distinguished Flying Medal (DFM) to which he added a Bar on 23 May of the same year.
In January 1943, Rawnsley transferred to Number. 85 Squadron Royal Air Force along with Cunningham.
They now flew a Mosquito and within the year has downed four more enemy aircraft.
In 1957 Rawnsley published (with Robert Wright) a memoir detailing his wartime career in the book Night Fighter. Covering his partnership with Cunningham, it gives a clear insight into the methods the pair used to find and down enemy aircraft. 4 April 1941 – Sergeant Cecil Frederick Rawnsley, Auxiliary Air Force, Number.