She changed her homeport to Long Beach, California, 11 January 1951, and during the next year and a half continued type and readiness training along the California coast from Long Beach to San Francisco. "Lark" departed Long Beach 6 July 1952 and, after touching at San Francisco, arrived Astoria, Oregon, 29 July. She served there until 13 November 1953 when she decommissioned and entered the Pacific Reserve Fleet. She was reclassified "MSC(O)-23" on 7 February 1955. She was transferred to Japan 14 February 1959 under the Military Assistance Program, serving the Japanese Maritime Self-Defense Force as "Ninoshima" (MSC-662) until struck in 1967. "YMS-376" received three battle stars for World War II service.