HMCS Preserver (AOR 510)

High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! HMCS Preserver is a Canadian Protecteur-class Auxiliary Oiler Replenishment (replenishment oiler) ship commissioned in 1970. Built by the Saint John Shipbuilding, Saint John, New Brunswick, it underwent a major refit in 2005, after the ship was plagued by electrical problems. It is the second ship to bear the name. The first HMCS Preserver was a base supply ship. Commissioned 11 July 1942, the first HMCS Preserver served World War II as a Fairmile motor launch base supply ship off under the East Coast's 'Newfoundland Force'. It was paid off 6 November 1945.