Deputy Chief of the Naval Staff (United Kingdom)
The Deputy Chief of the Naval Staff (DCNS) is a senior appointment in the Royal Navy currently held by the Second Sea Lord. The incumbent is usually a three-star rank and had a NATO ranking code of OF-8, but the position has previously been held by an acting two-star ranked officer and a four-star ranked officer.
Deputy Chief of the Naval Staff (United Kingdom)
Image: Vice admiral Sir Henry Francis Oliver, Kcb, Mvo Art.IWMART1763
Image: Rear admiral Osmond de Beauvoir Brock Cb Cmg Art.IWMART1722
Image: Sir Roger Keyes
Second Sea Lord and Deputy Chief of Naval Staff
The Second Sea Lord and Deputy Chief of Naval Staff is deputy to the First Sea Lord and the second highest-ranking officer to currently serve in the Royal Navy and is responsible for personnel and naval shore establishments. Originally titled Second Naval Lord in 1830, the post was restyled Second Sea Lord in 1904. They are based at Navy Command, Headquarters.
Second Sea Lord and Deputy Chief of Naval Staff
From 1995 to 2012 the Second Sea Lord was (as Commander-in-Chief) based in Admiralty House within HMNB Portsmouth (note the Vice-Admiral's flag in this 2006 photo).
Image: Admiralmboyce
Image: Sir John Brigstocke (cropped)