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 In 1970, "Cliona" and "Macha" were withdrawn from service and scrapped, leaving "Maev" as the sole ship in
Old Royal Naval College a unique "ancient and modern" blend that support 21st century life in Greenwich. The Old Royal Naval College and the "Maritime Greenwich" World Heritage site are becoming focal points for a wide range of business and community activities. Trinity College of Music provide a wide range or musicians and ensembles on a subsidised commercial basis to play at events throughout East London and beyond, part of their business and community “out-reach” policy encouraged and part-funded by the Higher Education Funding Council. The site is regularly used for filming television programmes, television advertisements, and feature films. Productions have included "Patriot Games",