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 In 1970, "Cliona" and "Macha" were withdrawn from service and scrapped, leaving "Maev" as the sole ship in
HMY Britannia (Royal Cutter Yacht) marked the end of big yacht racing in Europe, with the smaller and more affordable International Rule 12 Metre class gaining popularity. Four known examples of "Britannia"s racing flags are preserved, one presented by Philip Hunloke to the Royal Cornwall Yacht Club, in whose Regattas "Britannia" was often a competitor between 1894 and 1935, the second at the Royal Northern and Clyde Yacht Club at Rhu and the third at the Royal St. George Yacht Club, which held two regattas in Kingstown for the first season of the RYA linear rating rule in 1896. "Britannia"s skipper William G. Jameson had