Royal Flying Corps He enlisted in the
Royal Flying Corps on 7 June 1917 and served as a pilot during
World War I in France from 1918 to 1919.
Royal Air Force He transferred to the
Royal Air Force, which formed on 1 April 1918. Beginning his career as a pilot at No. 98 Sqn, followed by a stint at No. 115 Sqn in the same year. On the 12 September 1919, he received Short Service Commission and was appointed as a Flying Officer. He continued his service as a pilot, joining No. 274 Sqn on 19 November 1919, and No. 207 Squadron on the 1st of February 1920. He transitioned to become a test pilot at the Instrument Design Establishment on 20 October 1920. On the 10th of January 1922, he took up the role of an instructor at No. 6 Flying Training School. He then became a supernumerary at the School of Technical Training (Men) on the 1st of April 1922. Returning to operational duties, he served as a pilot at No. 100 Sqn from the 9th of May 1922 until the 9th of July 1923, when he transferred to No. 7 Sqn. The
Royal Aero Club elected several new members including Perry-Keene on 20 February 1924. From 4 August 1925 to 16 February 1926, he attended the Armament Officer's Course at the
Armament and Gunnery School, Eastchurch and flew in the
Grosvenor Cup at Lympne on 18 September 1926. On 1 April 1927, Flight Lieutenant Perry-Keene was appointed to RAF Practice Camp,
North Coates, Fitties. On 31 October, he was appointed to RAF Depot Uxbridge and on 2 December, he was appointed to Aircraft Depot in Iraq. On 23 January 1942, he was first appointed Senior Air Staff Officer at No. 221 Group Headquarters in Burma and then to Air Headquarters, Bengal on 20 April 1942. He succeeded
Hugh Walmsley as Air Officer-in-Charge of Administration at Air Headquarters India on 29 November 1946 or 19 December 1946.
Royal Pakistan Air Force Air Vice Marshal Perry-Keene was appointed after correspondence between
Jinnah and
Louis Mountbatten, after Mountbatten,
Hugh Walmsley, and
Field Marshal Auchinleck agreed that he was the best candidate for the position. ==Later life and death==