S-15 SS-120

S-15 (SS-120) was laid down on 13 December 1917 by the Lake Torpedo Boat Co., Bridgeport, Conn. Launched on 8 March 1920; sponsored by Mrs. Simon Lake; and commissioned on 15 January 1921, Lt. Comdr. David R. Lee in command.

Attached to SubDiv 18, S-15 departed New London on 31 May 1921, and sailed via the Panama Canal, California, Hawaii, and Guam to the Philippines. She arrived at Cavite, Luzon on 1 December. In 1922, she sailed from Cavite on 11 October, visited Hong Kong from the 14th to the 28th, and returned to Cavite on 1 November. Sailing from Manila on 15 May 1923, S-15 visited Shanghai, Chefoo, and Chinwangtao before returning via Woosung and Amoy to Cavite on 11 September. In the summer of 1924, she again visited China and returned to Olongapo on 23 September.

S-15 was recommissioned on 3 January 1941 at Philadelphia. Following voyages to Bermuda, she operated at St. Thomas from 31 October to 9 December 1941; in the Panama Canal area from January into December 1943, at Guantanamo through May 1944, in the Panama Canal area from June through September at Trinidad for the rest of the year; and at Guantanamo from January into March 1945.

S-15 departed Guantanamo on 23 March 1945 and reported at New London for inactivation. She was decommissioned on 11 June 1946 at Philadelphia and struck from the Navy list. On 4 December that year she was sold for scrapping to the Potomac Shipwrecking Co., Md.

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