Kennon joined the
Royal Navy in 1945. On promotion to rear admiral, he was appointed Assistant Chief of the Naval Staff (Policy) in 1978 and Port Admiral at
Rosyth as well as Chief Naval Supply & Secretariat Officer in 1979. Following promotion to vice admiral, he became
Chief of Fleet Support in 1981. In that capacity he managed the run-down of
Chatham Dockyard before he retired in 1983. He died in January 1991. ==References==