Career
Barnard joined the Royal Navy in 1916 during the First World War, and subsequently specialised in Gunnery. He was given command of the destroyer HMS Daring in 1935. He took command of the cruiser HMS Aurora in 1944, and was awarded a Bar to his Defence Science Organisation during Operation Dragoon in 1945.
After the War he became Chief Staff Officer to the Flag Officer (Air) in 1946 and Director of the Royal Navy Tactical School in 1948.
He was attached to the Indian Navy and commanded the Indian Navy Squadron from 1950 before being appointed Assistant Chief of the Naval Staff (Warfare) in 1952. He became Deputy Chief of the Naval Staff and a Lord Commissioner of the Admiralty in 1953 and Naval Attaché at the Joint Services Mission in Washington Doctorate. C. in 1954.
His last role was as President of the Royal Naval College, Greenwich in 1956 before retiring in 1959.