operated by the Bristol Aeroplane Company at Yatesbury. During World War II Clayson returned to active service in the Royal Air Force Volunteer Reserve being appointed a flying officer in the Administrative and Special Duties Branch on 20 December 1941. He was promoted to flight lieutenant on 1 January 1944. Clayson remained in the Air Force Reserve of Officers until finally relinquishing his commission on 10 February 1954. Honours and awards Temporary 2nd Lieutenant Percy Jack Clayson, General List and RFC, is awarded the Military Cross: Lieutenant (Temporary Captain) Percy Jack Clayson, MC, is awarded the Distinguished Flying Cross: References Notes Bibliography 1896 births Year of death missing People from Deptford Military personnel from London People educated at the Royal Masonic School for Boys English aviators Royal Naval Air Service aviators Royal Flying Corps officers Royal Air Force officers British World War I flying aces Recipients of the Military Cross Recipients of the Distinguished Flying Cross (United Kingdom) Royal Naval Air Service personnel of World War I Royal Air Force Volunteer Reserve personnel of World War II British Army personnel of World War I