Admiralty
It evolved from *Admiralty Navy War Council, (1909–1912) which in turn became the Admiralty War Staff, (1912–1917) before finally becoming the Admiralty Naval Staff in 1917. It 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, and the staff departments function continued within the Navy Department of the Ministry of Defence until 1971 when its functions became part of the new Naval Staff, Navy Department of the Ministry of Defence.
Admiralty
King Charles I put the office of Lord High Admiral into commission in 1628, and control of the Royal Navy passed to a committee in the form of the Board of Admiralty. The office of Lord High Admiral passed a number of times in and out of commission until 1709, after which the office was almost permanently in commission (the last Lord High Admiral being the future King William IV in the early 19th century).