USS K-7
Template:Short description Template:Use dmy dates
Template:Infobox ship imageTemplate:Infobox ship careerTemplate:Infobox ship characteristicsUSS K-7 (SS-38), also known as "Submarine No. 38", was a K-class submarine of the United States Navy(USN). She patrolled in the Gulf of Mexico, during WWI.
Design
The K-class boats had a length of Template:Cvt, a beam of Template:Cvt, and a mean draft of Template:Cvt. They displaced Template:Cvt, on the surface, and Template:Cvt submerged. They had a diving depth of Template:Convert. The K-class submarines had a crew of 2 officers and 26 enlisted men.Template:Sfn
For surface running, the boats were powered by two Template:Convert NELSECO diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a Template:Convert electric motor. They could reach Template:Cvt on the surface and Template:Cvt underwater. On the surface, the boats had a range of Template:Cvt at Template:CvtTemplate:Sfn and Template:Cvt at Template:Convert submerged.Template:Sfn
The K-class submarines were armed with four 18 inch (450 mm) torpedo tubes in the bow. They carried four reloads, for a total of eight torpedoes.Template:Sfn
Construction
K-7Template:'s keel was laid down, on 10 May 1912, by the Union Iron Works, at San Francisco, California, under a subcontract from Electric Boat Company, of Groton, Connecticut. She was launched on 20 June 1914, sponsored by Mrs. Katie-Bel McGregor, daughter of the president of Union Iron Works, and commissioned at the Mare Island Navy Yard, on 1 December 1914.Template:Sfn
Service history
As a unit of the Pacific Torpedo Flotilla, K-7 sailed for San Diego, California, on 26 December 1914, arriving 28 December, to commence shakedown and training along the California coast. She returned to San Francisco, 4 June 1915, then departed 3 October, for experimental duty in the Hawaiian Islands. Arriving at Pearl Harbor, on 14 October, she conducted torpedo and diving tests, and participated in operations developing the tactics of submarine warfare. K-7 departed Pearl Harbor, 31 October 1917, and sailed via the West Coast, and the Panama Canal, for antisubmarine patrol duty in the Gulf of Mexico.Template:Sfn
Arriving at Key West, Florida, on 8 January 1918, K-7 patrolled the shipping lanes of the Gulf of Mexico, from the Florida Keys to Galveston Bay. She returned to Key West, from Galveston, Texas, on 27 November, and resumed training and development operations until departing for Philadelphia Navy Yard, on 14 April 1919. She received an overhaul from 21 April to 10 November, then resumed operations out of Key West, in the Caribbean Sea.Template:Sfn
Following additional overhaul during the latter half of 1921, K-7 resumed her training and development operations at the United States Naval Academy, on 19 January 1921. For more than two years, she ranged the eastern seaboard, from Hampton Roads, Virginia, to Provincetown, Massachusetts, training submariners, conducting diving experiments, and practicing underwater warfare tactics. During April and May 1921, she visited the Naval Academy, at Annapolis, Maryland, and the United States Military Academy, at West Point, New York. After conducting almost seven months of submarine instructions at New London, Connecticut, she arrived at Hampton Roads, on 7 September 1922, for submarine flotilla operations in Chesapeake Bay.Template:Sfn
Fate
Subsequently, K-7 decommissioned at Hampton Roads, on 12 February 1923. She was towed to Philadelphia, on 23 August 1924. She was struck from the Naval Vessel Register, on 18 December 1930, and sold for scrap, on 3 June 1931.Template:Sfn
References
Bibliography
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