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 Air Division originally known as the Air Section and later known as the Naval Air Division was first established in 1924 and it was a Directorate of the Admiralty Naval Staff, that was initially responsible for operational control of aircraft supplied to the Royal Navy by the Air Ministry. In 1939 it was gained full control for the all matters relating to administration, control, policy and organisation of the Fleet Air Arm, it underwent various name changes until it was absorbed as part of the merger of the Admiralty into the new Ministry of Defence in April 1964 as part of the Navy Department where it continued until May 1966 when its remit was changed and when became the Directorate of Naval Warfare.
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 Naval Artillery and Torpedoes Division was a Directorate of the British Admiralty, Naval Staff that was created in June 1918 to decide weapons employment policy and also to develop weapon requirements. This division was also responsible for requirements for ship protection against weapons. It existed until 1920 when its responsibilities were divided into two new directorates, the Gunnery Division and the Torpedo Division.
The Trade and Operations Division (T.O.D.) was a division of the Admiralty Naval Staff created in 1961 following the merger of two former naval staff divisions one for Trade and the other for Operations. The staff division was administered by the Director, Trade and Operations Division. It existed until 1967.
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 Torpedo Division originally called the Gunnery and Torpedo Division was a naval staff organisation of the British Admiralty Naval Staff established in 1920 when the functions of the Gunnery and Torpedo Division was divided up into separate functions. It existed until 1928 when it was absorbed into the Tactical Division.
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.
The Directorate of Naval Operations and Trade was a staff directorate created in 1967 it replaced the Trade and Operations Division. The directorate under the Ministry of Defence as part of the Ministry of Defence. It was administered by the Director of Naval Operations and Trade. It existed until 2003.
The Naval Staff Directorate is a military staff directorate created in 1985 as the Directorate of Naval Staff Duties. The directorate was originally part of the British Ministry of Defence and is now under the Ministry of Defence as part of Navy Command. It is currently administered by the Commodore Naval Staff now based at MOD HQ.
