USS H-7 (SS-150)

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USS H-7 underway, circa 1922
USS H-7 underway, circa 1922
Career
Name: USS H-7
Ordered: by the Imperial Russian Navy, 1915
Builder: Puget Sound Navy Yard, Bremerton, Washington
Laid down: 15 May 1918
Launched: 17 October 1918
Commissioned: 24 October 1918
Decommissioned: 23 October 1922
Reclassified: SS-150, 15 July 1920
Struck: 26 February 1931
Fate: Sold for scrapping, 28 November 1933
General characteristics
Type: H-class submarine
Displacement: 358 long tons (364 t) surfaced
467 long tons (474 t) submerged
Length: 150 ft 4 in (45.82 m)
Beam: 15 ft 10 in (4.83 m)
Draft: 12 ft 5 in (3.78 m)
Installed power: 950 hp (710 kW) (diesel engines)
600 hp (450 kW) (electric motors)
Propulsion: 2 × New London Ship & Engine Co. diesel engines
2 × Electro Dynamic Co. electric motors
2 × shafts
Speed: 14 kn (16 mph; 26 km/h) surfaced
10.5 kn (12.1 mph; 19.4 km/h) submerged
Test depth: 200 ft (61 m)
Complement: 25 officers and men
Armament: 4 × 18 in (457 mm) torpedo tubes (8 × torpedoes)

USS H-7 (SS-150) was an H-class submarine that served in active duty with the United States Navy from 1918-1922.

The Imperial Russian Navy ordered 18 H-class submarines from the Electric Boat Company in 1915. Eleven were delivered, and served as the American Holland class submarines, but shipment of the final six was held up pending the outcome of the Russian Revolution of 1917, and the boats were stored in knockdown condition at Vancouver, British Columbia. All six were purchased by the U.S. Navy on 20 May 1918 and assembled at Puget Sound Navy Yard.

H-7 was launched on 17 October 1918 and commissioned on 24 October with Lieutenant Edmund A. Crenshaw in command.

The submarine, attached to Submarine Division 6 (SubDiv 6) and later to SubDiv 7, operated out of San Pedro, California, 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.

H-7 reached Norfolk on 14 September 1922, having sailed from San Pedro on 25 July, and decommissioned there on 23 October. Her name was struck from the Naval Vessel Register on 26 February 1931. She was sold for scrapping on 28 November 1933.

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