L-1 USS submarine

Built as a submarine by Fore River Shipbuilding Company, Quincy, Mass. For the USA Navy.
13 April 1914 laid down.
20 January 1915 launched as USS L-1 (SS-40) the lead ship of her class. Sponsored by Mrs. Freeland A. Daubin.
Displacement: 457 ton surface and 557 ton submerged. Dim. 51.03 x 5.31 x 4.14m (draught surface)
Powered diesel electric by two Nelseco diesels, 1,300 hp. and two Electric Dynamic electric motors, 800 hp, twin shafts, speed 14 knots surface, 10.5 knots submerged.
Armament 4 – 18 inch torpedo tubes, 8 torpedoes and 1 3 inch deck gun.
Crew 28.
11 April 1916 commissioned. Lt. (j.g.) Freeland A. Daubin in command.


After trials and exercises in New England waters, L-1 was assigned to the Atlantic Submarine Flotilla operating along the east coast. Throughout 1916, she ranged the Atlantic from New England to Florida developing and testing new techniques of undersea warfare. When America entered World War I, L-1 underwent extensive overhaul at Philadelphia to prepare her for vital tasks ahead.

Departing New London, Conn., 27 November 1917, the submarine sailed for European waters to protect Allied shipping lanes from U-boat attacks. Following brief operations in the Azores, L-1 sailed to the British Isles for patrol duty out of Bantry Bay, Ireland, beginning in early February 1918. She operated in British waters throughout the war, reducing the German submarine threat.

With the defeat of the Central Powers, L-1 departed Portland, England, 3 January 1919 and arrived Philadelphia 1 February. From 1919 to 1922, she operated along the Atlantic coast experimenting with new torpedoes and undersea detection equipment. The technological advances through tests performed by L-1 and her sister submarines during the post-World War I era added to the strength and quality of the mighty U.S. submarines that contributed so much to the defeat of Japan in World War II. L-1 decommissioned at Hampton Roads Submarine Base 7 April 1922. She was sold 31 July 1922 to Pottstown Steel Co. for scrapping.

Transcribed by Michael Hansen
https://www.hazegray.org/danfs/submar/ss40.txt https://en.wikipedia.org/wiki/USS_L-1_(SS-40)


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