 However the contract was then changed, and the ship was completed to a revised design as a Bay-class anti-aircraft frigate, launched on 3 October 1944, and commissioned on 26 January 1946.After sea trials, "Largo Bay" sailed for the Mediterranean, joining the Escort Flotilla at Malta on 23 February 1946.She was first deployed in the eastern Mediterranean for the interception of merchant ships carrying illegal Jewish immigrants to Palestine.