[1] Between 1941 and 1943 he commanded the Performance Testing Squadron at RAF Boscombe Down and the Experimental Flying Department at the Royal Aircraft Establishment, (RAE), Farnborough.
[1] Following his duties in experimental and test flying he became involved in developing support for airborne forces, he commanded RAF Fairford during the Normandy landings and the operations at Arnhem.
[1] Between 1950 and 1951 he commanded the RAF in Cyprus before returning to the Aeroplane and Armament Experimental Establishment (A&AEE) at Boscombe Down between 1952 and 1955 when he retired.
Group Captain Wheeler not only brought both squadrons up to a high state of efficiency but also organized the station to deal with the despatch of a large number of gliders in a minimum period of time.
He has set an excellent example by himself participating in operations.Dennis Neville who formed "Captain Neville's FLying Circus" lists as one of his most memorable aviation moments as:- Performing a 'falling leaf' in an Avro 504 at Farnborough, 30 years after seeing Alan [sic] Wheeler perform the same.