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USS R-1 (SS-78)

USS R-1 at Pearl Harbor, c. 1923-1930
History
Name: USS R-1
Ordered: 29 August 1916
Builder: Fore River Shipbuilding, Quincy, Massachusetts
Laid down: 16 October 1917
Launched: 24 August 1918
Commissioned: 16 December 1918
Decommissioned: 1 May 1931
Recommissioned: 23 September 1940
Decommissioned: 20 September 1945
Reclassified: SS-78, July 1920
Struck: 10 November 1945
Fate: Sold for scrap, 13 March 1946
General characteristics
Type: R class submarine
Displacement:
  • 569 long tons (578 t) surfaced
  • 680 long tons (691 t) submerged
Length: 186 ft 2 in (56.74 m)
Beam: 18 ft (5.5 m)
Draft: 14 ft 6 in (4.42 m)
Propulsion: Diesel-electric
Speed:
  • 13.5 knots (25.0 km/h; 15.5 mph) surfaced
  • 10.5 knots (19.4 km/h; 12.1 mph) submerged
Complement: 30 officers and men
Armament:

USS R-1 (SS-78) was the lead ship of the R-class coastal and harbor defense submarines of the United States Navy. Her keel was laid down on 16 October 1917 by the Fore River Shipbuilding Company in Quincy, Massachusetts. She was launched on 24 August 1918 sponsored by Mrs. George W. Dashiell, and commissioned on 16 December 1918 at Boston, Massachusetts, with Commander Conant Taylor in command.

After shakedown in New England waters, R-1 was assigned to Submarine Division 9 of the Atlantic Fleet and based at New London, Connecticut. She got underway on 4 December 1919 for Norfolk, Virginia, and winter exercises with her division in the Gulf of Mexico, and returned to New London on 18 May 1920 for four months of summer operations with R-2 and R-3 before sailing on 13 September for Norfolk and overhaul.

Given hull classification symbol SS-78 in July 1920, R-1 was ordered to the Pacific Ocean on 11 April 1921, transited the Panama Canal in late May, and arrived on 30 June at her new base, San Pedro, California. She took part in fleet exercises off Central America from 5 February through 6 April 1923, returned to San Pedro on 10 April, and on 16 July was transferred, along with Division 9, to Pearl Harbor where for the next eight years she trained crews and developed submarine tactics.


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