Educated at
Mowden School and the
Nautical College at Pangbourne, Greening joined the
Royal Navy in 1946. He was given command of the
minesweepers
HMS Asheldham,
HMS Messina,
HMS Lewiston and then the
frigate HMS Jaguar. He retired in 1985. He was appointed an Extra Equerry to
the Queen in 1983 and
Master of the Household of the
Sovereign from 1986 to 1992. ==Family==