mid-1941 she returned to New London to prepare for transfer to the Royal Navy. Decommissioned and transferred 4 November 1941, R-3 was struck from the Naval Vessel Register on 7 November 1941. She continued her career in British home waters as , a training submarine, until returned to the U.S. Navy in the United Kingdom, 20 December 1944. Unfit for service after the war, she was scrapped at Troon, Scotland, in 1948. References External links United States R-class submarines Ships built in Quincy, Massachusetts 1919 ships Ships transferred from the United States Navy to the Royal Navy United States R-class submarines of the Royal Navy World War II submarines of the United Kingdom