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NavSource Online: Submarine Photo Archive

H-7 (SS-150)


H-4 Class Submarine: Built by the Electric Boat Company, Groton, CT., for Imperial Russian Govt; Acquired by US Navy; Laid down, 15 May 1918, at Puget Sound Navy Yard, Bremerton, WA.; Launched, 17 October 1918; Commissioned, USS H-7, 24 October 1918; Redesignated USS H-7 (SS-150), 15 July 1920; Decommissioned, 23 October 1922, at Norfolk, VA.; Laid up in the Reserve Fleet; Struck from the Naval Register, 26 February 1931; Final Disposition, sold for scrapping, 28 November 1933.

Specifications: Displacement, Surfaced: 358 t., Submerged: 467 t..; Length 150' 4" ; Beam 15' 10"; Draft 15' 10"; Speed, surfaced 14 kts, submerged 10.5 kts; Depth Limit 200'; Complement 2 Officers, 23 Enlisted; Armament, four 18" torpedo tubes, 8 torpedoes; Propulsion, diesel electric, New London Ship and Engine Co., diesel engines, 960 hp, Fuel Capacity, 11,800 gal.; Electro Dynamic Co., electric motors, 600 hp, Battery Cells, 120, single propeller.
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H-7 41k H-7 (SS-150) under construction at Puget Sound Navy Yard, Bremerton, WA. 1918.
US Navy photo courtesy of Ric Hedman.
H-7 38k The launching of the H-7 (SS-150) at Puget Sound Navy Yard, Bremerton, WA., 17 October 1918.
US Navy photo courtesy of subnet.com.
H-7 62k H-7 (SS-150) on maneuvers, off San Pedro, CA., 1918. The submarine, attached to SubDiv 6 and later to SubDiv 7, operated out of San Pedro on various battle and training exercises with the other ships of her division. She also patrolled out of San Pedro with interruptions for overhaul at Mare Island.
US Navy photo # 19-N-20294, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.

View the H-7 (SS-150)
DANFS history entry located on the Haze Gray & Underway Web Site.
Crew Contact And Reunion Information
U.S. Navy Memorial Foundation
Fleet Reserve Association

Additional Resources and Web Sites of Interest
Through the Looking Glass A Historic Look at Submarines
HISTORIC SUBMARINE DOCUMENTARY AND TRAINING FILMS
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