Flying Officer Thomas Bolger Bradley enlisted to the Royal Australian Air Force on 17 August 1941. After a period of training in Australia and the United Kingdom, Flying Officer Bradley joined 75 Squadron and served as an observer and air bomber. With this unit, he served on many operational sorties against enemy-occupied Europe. On 21 July 1944, Flying Officer Bradley was awarded the Distinguished Flying Cross for his high standard of gallantry as an air bomber on sorties. He transferred to the Bombing Development Unit in mid-1944, and assisted in the testing of bombs and new technologies. Flying Officer Bradley was discharged on 30 May 1945.