Irish Naval Service as a permanent component of the Irish Defence Forces. The Naval Service purchased three s from the United Kingdom in 1946 and 1947. The tradition of naming Irish Naval Ships after figures in Celtic Mythology began, and the ships were named , and . These three ships were to become a key part of the Naval Service in the 1950s and 1960s. The first formal training of Irish naval cadets took place at the Britannia Royal Naval College, Dartmouth, UK in 1947. In 1970, "Cliona" and "Macha" were withdrawn from service and scrapped, leaving "Maev" as the sole ship in
Royal Naval College, Greenwich a Director of Studies; and Professors of Mathematics, Physical Science, Chemistry, Applied Mechanics, and Fortification. It was to take in officers who were already Sub-Lieutenants and to operate as "the university of the Navy". The Director of Studies, a civilian, was in charge of an Academic Board, while the Captain of the College was a naval officer who acted as chief of staff. The Royal Naval War College, which had been established at Portsmouth in November 1900, transferred its activities to the college at Greenwich in 1914. During the First World War the Royal Naval College was requisitioned as a