Deputy Chief of Naval Staff

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-15 May, 1925