1943(Saratoga Model Shipyard SMY-80)
- Class: S-18 - 24 submarines of 1918
- Displacement: 854/1,062 tons
- Dimensions: 219'3" x 20'8" x 15'11"
- Machinery: 2-shaft Diesels, S.H.P. 1200/1500 = 14.5/11 knots
- Armament: 4-21" T.T.(bow) w/ 8 reloads, 1-4"/50, 1-20mm AA
- Complement: 38
- Builder: Bethlehem Shipbuilding Corp, Quincy, MA
- Keel Laid: 16 Apr 1919
- Launched: 20 Sep 1922
- Commissioned: 13 Dec 1923
- Service: After shakedown in early 1924, she served in both Atlantic and Pacific, basing at Pearl Harbor 1931-39. Moved to San Diego for training duties 1939-42, then sent to Aleutians in May 1942; first war contact 18 Jun in inconclusive fight with Japanese destroyer off Kiska. After three patrols in area, she returned to San Diego for training duties, before returning to Aleutians for two more war patrols. Refitted Jun 1943 at Puget Sound, receiving upgraded radar and 20mm AA platform. Returned to Aleutians where she sank the 1368-ton converted gunboat Katsura Maru No.2 on 19 Sep. Plagued by mechanical problems, she returned to Pearl Harbor Nov 1943 to take up training duties. Failed to surface 4 Jul 1944 after training exercise with Coast Guard cutter Reliance (WSC-150) near Pearl Harbor; cause of loss could not be determined. Wreck found Dec 2017 at 8,500 ft depth.