Gerald Hollis World War II as he was colour blind. He joined the Royal Naval Volunteer Reserve (RNVR) in 1940, and was commissioned into the Royal Navy in 1942. He served as a physical training officer at the Britannia Royal Naval College in Dartmouth, Devon. The college was moved to Eaton Hall, Cheshire between 1943 and 1946, because of Nazi bombings. At the end of hostilities, Hollis felt drawn to holy orders: from 1945 to 1947, he trained for ordination at Wells Theological College. He was ordained into the Church of England in 1947 and then served his curacy at St Dunstan's,
Royal Naval College, Greenwich a Director of Studies; and Professors of Mathematics, Physical Science, Chemistry, Applied Mechanics, and Fortification. It was to take in officers who were already Sub-Lieutenants and to operate as "the university of the Navy". The Director of Studies, a civilian, was in charge of an Academic Board, while the Captain of the College was a naval officer who acted as chief of staff. The Royal Naval War College, which had been established at Portsmouth in November 1900, transferred its activities to the college at Greenwich in 1914. During the First World War the Royal Naval College was requisitioned as a