Leon was transferred to Greece under the Mutual Defense Assistance Program. It was put to service in January 1951 by Vice Admiral D. Foifas. She was used mainly for patrols in the Easter Aegean Sea and for cadet officer (midshipmen) training. Leon was decommissioned on November 15. 1992 and later in November 1999 it was sold as scrap to the Piraeus-based V&J Scrapmetal Trading Ltd.