Career
He returned to the colours during the Second World War, joining the Air Training Corps. Aldridge joined the Royal Flying Corps as an officer cadet, and was made a temporary second lieutenant on 24 May 1917. He received Royal Aeronautical Club Aviator"s Certificate 4846 on a Maurice Farman biplane at Ruislip on 16 June 1917.
He was posted to Number.
19 Squadron in early 1918, where he scored five victories flying the Sopwith Dolphin between April and September. He officially left the Royal Air Force on 12 January 1919. On 18 June 1919, Alridge joined the Board of Agriculture and Fisheries as an Assistant Clerk (Abstractor).
During Second World War, he served in the Training Branch of the Royal Air Force, with the rank of pilot officer, until 31 March 1945.