He served in the
British Army during the
First World War on the
Macedonian front before transferring to the
Royal Flying Corps. He was commissioned into the Royal Air Force on 11 August 1918. On 12 July 1920, he received the
Distinguished Flying Cross while serving with
No. 31 Squadron RAF in the
Third Anglo-Afghan War. He received a Bar to his DFC in 1922. He was granted a permanent commission in 1924. Between 1924 and 1936, Vincent was involved in experimental flying and research at the
Royal Aircraft Establishment, Farnborough, where he became one of the RAF's best-known test pilots. From 1930, he was a pioneer of wireless-controlled aircraft, and, after leaving Farnborough, he commanded the Pilotless Aircraft Development Unit from 1936 to 1938. During the
Second World War, he was posted to the Middle East and became Commanding Officer of
RAF Khormaksar in 1940. In 1942 Vincent was
mentioned in despatches. On 6 July 1943, he became Commandant of the
Empire Central Flying School and on 15 March 1947 became Director of Flying Training in the RAF. On 13 June 1946, he was invested as a
Companion of the Order of the Bath. On 15 July 1949, he was promoted to the rank of air vice-marshal and Vincent was made a
Commander of the Order of the British Empire on 5 June 1952. He retired from the RAF on 29 August 1952. ==References==