Portland Harbour is beside the Isle of Portland, Dorset, on the south coast of England. Construction of the harbour began in 1849; when completed in 1872, its 520-hectare (1,300-acre) surface area made it the largest human-made harbour in the world, and it remains one of the largest in the world today. It is naturally sheltered by Portland to the south, Chesil Beach to the west and mainland Dorset to the north. It consists of four breakwaters: two southern and two northern. These have a total length of 4.57 km (2.84 mi) and enclose approximately 1,000 ha of water.
The Director of Naval Construction (DNC) also known as the Department of the Director of Naval Construction and Directorate of Naval Construction and originally known as the Chief Constructor of the Navy was a senior principal civil officer responsible to the Board of Admiralty for the design and construction of the warships of the Royal Navy. From 1883 onwards he was also head of the Royal Corps of Naval Constructors, the naval architects who staffed his department from 1860 to 1966. The (D.N.C.'s) modern equivalent is Director Ships in the Defence Equipment and Support organisation of the Ministry of Defence.
The Flag Officer Scotland and Northern Ireland (FOSNI) was a senior post in the Royal Navy of the United Kingdom. It was based at HM Naval Base Clyde, and the holder of the post was the Royal Navy’s senior officer in Scotland. The post of FOSNI, dating from 1946, was re-scoped and re-named in 1994 to Flag Officer Scotland, Northern England & Northern Ireland (FOSNNI), then named back in 2015, before being dis-established in 2020.
The Admiralty Underwater Weapons Establishment was an Admiralty research department dedicated to underwater detection systems and weapons. It was formed at the Isle of Portland in 1959 and later became part of the Admiralty Research Agency (ARE) in 1984.
The Admiralty Naval Staff was the former senior command, operational planning, policy and strategy department within the British Admiralty. It was established in 1917 and existed until 1964 when the department of the Admiralty was abolished. It was replaced by the Ministry of Defence as part of the Ministry of Defence Navy Department.
The Naval Stores Department also known as the Department of the Director of Naval Stores was initially a subsidiary department of the British Department of Admiralty, then later the Navy Department responsible for managing and maintaining naval stores and the issuing of materials at naval dockyards and establishments for the building, fitting and repairing of Royal Navy warships from 1869 to 1966.
The Department of the Director of Dockyards, also known as the Dockyard Branch and later as the Dockyards and Fleet Maintenance Department, was the British Admiralty department responsible from 1872 to 1964 for civil administration of dockyards, the building of ships, the maintenance and repair of ships at dockyards and factories, and the supervision of all civil dockyard personnel.
The Admiralty Signal and Radar Establishment (ASRE) originally known as the Experimental Department and later known as the Admiralty Signal Establishment (ASE) was a research organisation of the British Royal Navy established in 1917. It existed until 1959 when it was merged with the Admiralty Gunnery Establishment to form the Admiralty Surface Weapons Establishment (ASWE). Its headquarters were located in Haslemere, Surrey, England.
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 Victualling Department originally known as the Department of the Comptroller of Victualling and Transport Services or the Victualling Office, also known as the Department of the Director of Victualling was the British Admiralty department responsible for civil administration of Victualling Yards and the storing and supply of Naval Victuals for the Royal Navy from 1832 to 1964.
The Admiralty Gunnery Establishment (AGE), originally known as Fire Control Group (ARL) and later known as the Admiralty Surface Weapons Establishment (ASWE), was an admiralty research department primarily responsible for Army and Navy gunfire control work between 1931 and 1959.
The Architectural and Engineering Works Department was the main civil engineering department of the British Royal Navy responsible constructing, and maintaining naval buildings, dockyards, ports and managing civil engineering staff from 1837 to 1919 it was superseded by the Civil Engineer in Chief's Department.
The Plans Division (Q) was a division of the Admiralty Naval Staff established in 1943 it existed until 1952 when its responsibilities were changed and it was renamed the Administrative Planning Department the new department initially came under control of the Fourth Sea Lord. In 1959 its name was changed again to the Administrative Planning Division. Plans (Q) division was administered by the Director of Plans, (Q)., The department and subsequently division was administered by the Director, Administrative Planning.
British Naval Forces Germany was a command of the Royal Navy that was active from 1944 to 1961 under three titles.
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.
The Sea Transport Branch of the British Board of Trade, originally established as the Transport Department or Naval Transport Department, was a logistical branch of the Department of Admiralty responsible for the provision of naval transportation services. It underwent numerous name changes throughout its complicated history with responsibility for sea transportation, known as the Department of the Director of Transports from 1890.
The Admiralty Engineering Laboratory was an engineering research department of the British Admiralty from 1917 to 1964 then the Navy Department from 1964 to 1977. Its original work was the design of submarine engines but later to encompass ship engines.
The Navy Department was a former ministerial service department of the British Ministry of Defence responsible for the control and direction of His Majesty's Naval Service. It was established on 1 April 1964 when the Admiralty was absorbed into a unified Ministry of Defence, where it became the Navy Department. Political oversight of the department originally lay with the Minister of Defence for the Royal Navy (1964–1967) it then passed to the Parliamentary Under-Secretary of State for Defence for the Royal Navy (1967–1981), then later to the Parliamentary Under-Secretary of State for the Armed Forces (1981–1990), and finally the Parliamentary Under-Secretary of State for Defence (1991–1997).
