Deputy Chief of Naval Staff

The Deputy Chief of the Naval Staff (D.C.N.S.) was a position on the Naval Staff instituted in 1917 on the Board of Admiralty.

Deputy Chiefs of the Naval Staff, 1917-1924

• Rear-Admiral Sir Henry Francis Oliver, 31 May, 1918 - 10 January, 1918
• Rear-Admiral Sir Sydney Fremantle, 10 January - 1 May, 1919
• Rear-Admiral James Andrew Fergusson, 1 May, 1919 - 4 August, 1919
• Vice-Admiral Sir Osmond de Beauvoir Brock, 4 August, 1919 - 1 November, 1921
• Vice-Admiral Sir Roger Keyes, Bart., 1 November, 1921 - 15 May, 1925