Career
Educated at the Royal Naval College, Dartmouth, Mackenzie served in the Second World War becoming commanding officer of the submarine HMS H28 in March 1941, of the submarine HMS H43 in June 1941, of the submarine HMS Thrasher (in which he sank 40,000 tons of enemy shipping) in March 1943 and of the submarine HMS Tantalus (in which he conducted a single patrol of nearly 12,000 miles) in June 1945. After that he became Captain of the Boys’ Training Establishment HMS Ganges in January 1959, Flag Officer Submarines in September 1961 and Chief of the Polaris Executive in Spring 1963 before retiring in September 1968.
