Royal Naval Air Service ended in 1918.
Women's Royal Canadian Naval Service ended in 1946.
Hellenic Naval Air Service ended in 1930.
Royal Norwegian Navy Air Service ended in 1944.
Royal Naval Commandos ended in 1945.
Royal Naval School ended in 1910.
Royal Naval College of Canada ended in 1922.
Old Royal Naval College ended in 1998.
Royal Naval Hospital - Hong Kong - ended in 1956.
The RAF was founded in 1918, toward the end of World War I by merging the Royal Flying Corps and the Royal Naval Air Service. After the war, the RAF was greatly reduced in size and during the inter-war years it was used to "police" the British Empire. probably the Queen that founded it.
Royal Air Burundi ended in 1963.
Royal Maritime Auxiliary Service ended in 2008.
Royal Army Service Corps ended in 1965.