The Fourth Sea Lord and Chief of Naval Supplies originally known as the Fourth Naval Lord was formerly one of the Naval Lords and members of the Board of Admiralty which controlled the Royal Navy of the United Kingdom the post is currently known as Chief of Materiel (Fleet). As of 2017, it is also known as Chief of Fleet Support, Chief of Materiel (Ships) then as of 2020, Director General Ships.
The Fifth Sea Lord was formerly one of the Naval Lords and members of the Board of Admiralty that controlled the Royal Navy. The post's incumbent had responsibility for naval aviation.
The Assistant Chief of the Naval Staff (A.C.N.S.) is a senior appointment in the Royal Navy usually a two-star rank and has a NATO ranking code of OF-7.
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.
The Operations Division was a former directorate of the Admiralty Naval Staff responsible for the creation and implementation of long-term policy in regards to the composition of all Royal Navy fleets, squadrons and commands and including operational planning and monitoring from 1912 to 1961.
The Anti-Submarine Division its original name, was the former anti-submarine warfare, planning and prevention directorate of the Admiralty Department from 1912 to 1963.
The Plans Division was the former war preparation and wartime strategic planning arm of the Admiralty Department from 1917 to 1964, The division originally became the main policy advisory and formulating body to the Chief of the Naval Staff. It later came under the supervision of the Assistant-Chief of the Naval staff (Policy).
The Mobilisation Division was the former Directorate of the British Admiralty Naval Staff responsible for mobilisation requirements, manning and war preparation planning from 1912–1918.
The Gunnery and Torpedo Division was the former Directorate of the Admiralty Naval Staff responsible for weapons policy making, development and assessing weapon requirements from 1918-1920.
The Signal Division was a Directorate of the Admiralty Naval Staff responsible for policy, control and management of all naval communications from 1914 to 1964.
The Naval Ordnance Department, also known as the Department of the Director of Naval Ordnance, was a former department of the Admiralty responsible for the procurement of naval ordnance of the Royal Navy. The department was managed by a Director, supported by various assistants and deputies; it existed from 1891 to 1958.
The Department of the Director of Naval Equipment also known as the Directorate of Naval Equipment was the former British Admiralty department responsible for managing the progress of all naval construction at royal naval dockyards, and annually planning programmes of works for additions, alterations, repairs and modernisation established in 1912 until 1960 when it was replaced by the Naval Equipment Division of the Ship Department.
The Trade Division was a Directorate of the British Admiralty, Naval Staff responsible for all matters in relation to U.K. Trade Defence from 1914 until 1928 and then again from 1939 to 1961.
The Gunnery Division was a Directorate of the Admiralty Naval Staff of the Royal Navy responsible for the tactical use of naval weapons and the training of naval personnel in relation to operational requirements. It was established in 1920 when the Gunnery and Torpedo Division was separated into an independent Gunnery Division and Torpedo Division. It existed until 1964 when the Department of Admiralty was abolished and replaced by a new Ministry of Defence.
The Training and Staff Duties Division and later known as the Tactical and Staff Duties Division was a directorate of the Admiralty Naval Staff of the Royal Navy responsible for the tactical use of naval weapons and the training of naval personnel in relation to operational requirements from 1917 to 1958.
The Admiral Commanding, Reserves, was a senior Royal Navy post that existed from 1875 to 1976.
The Directorate of Navigation and Tactical Control (Naval) was a directorate of the Navy Department, Naval Staff first established in 1912, as the Navigation Department of Hydrographic Department of the Admiralty. In 1945, it was renamed the Navigation Division and assigned to the Admiralty Naval Staff. In 1946, it was redesignated Navigation and Direction Division until 1966, and now part of the Navy Department Naval Staff it was renamed the Directorate of Navigation and Tactical Control (Naval). The staff directorate was administered by the Director Navigation Tactical Control (Naval) who reported to the Assistant Chief of the Naval Staff (Warfare) it existed until 1968.
The Directorate Naval Tactical and Weapons Policy originally called the Tactical Section was a directorate of the British Admiralty, and later of the Naval Staff, Ministry of Defence,. Dating from 1920 it operated until 1939 before being abolished. It was revived in 1958 and existed until 1968. The naval staff directorate was administered by the Director, Directorate Naval Tactical and Weapons Policy.
The Department of the Director of Underwater Weapons Materials originally known as the Torpedo Department was a former department of the British Department of Admiralty from 1917 to 1958 when it became the Underwater Weapons Division of the Weapons Department.
