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NavSource Online: Submarine Photo Archive

K-7 (SS-38)

Radio Call Sign: November - Yankee - Lima
K Class Submarine: Laid down, 10 May 1912, at Union Iron Works, San Francisco, CA.; Launched, 20 June 1914; Commissioned, USS K-7, 1 December 1914, at Mare Island Navy Yard, Vallejo, CA.; Designated (SS-38), 17 July 1920; Decommissioned, 12 February 1923, at Hampton Roads; Towed to Philadelphia, 23 August 1924; Struck from the Navy Register, 18 December 1930; Final Disposition, sold for scrapping, 3 June 1931.

Specifications: Displacement, Surfaced: 392 t., Submerged: 521 t.; Length 153' 7"; Beam 16' 8"; Draft 13' 1"; Speed, Surfaced 14 kts, Submerged 10.5 kts; Operating Depth, 200'; Complement, 2 Officers, 26 Enlisted; Armament, four 18" torpedo tubes, 8 torpedoes, one 3"/23 deck gun; Propulsion, diesel-electric, New London Ship & Engine Co., diesel engine, HP 960, Fuel Capacity, 18,126, Electro Dynamic Co., electric motor, HP 960, Battery Cells, 120, single propeller.
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SS-3874kK-7 (SS-38) underway at maximum speed on 3 October 1914, port side view, probably in the vicinity of San Francisco, California. Note the 3 masted schooner in the background.
US Navy photo from NARA # 19-N-10580, courtesy of Daniel Dunham.
SS-3882kK-7 (SS-38) at rest, off the Union Iron Works shipyard, San Francisco, California, on 3 October 1914.
U.S. Naval Historical Center Photograph, NH 69852, courtesy of Donald M. McPherson, 1969.
SS-38149kK-7 (SS-38) underway at half speed on 3 October 1914, probably in the vicinity of San Francisco, California.
US Navy photo courtesy of ussubvetsofwwii.org.
SS-3878k Exterior conning station and periscopes of the K-7 (SS-38). These long and short walk-around, five-inch diameter periscopes were both manufactured by the Electric Boat Company and installed in May 1915. The photograph was probably taken at about that time.
U.S. Naval Historical Center Photograph, NH 52397.
SS-3878k Exterior conning station and periscopes of the K-7 (SS-38). These long and short walk-around, five-inch diameter periscopes were both manufactured by the Electric Boat Company and installed in May 1915. The photograph was probably taken at about that time. The unidentified submarine in the immediate foreground appears to have smaller-diameter periscopes, with taller sheers to support them.
U.S. Naval Historical Center Photograph, NH 52398.
SS-34387kFrom outboard to inboard, what looks to be K-8 (SS-39), K-4 (SS-35), K-3 (SS-34) & K-7 (SS-38), at Pearl Harbor, Territory of Hawaii on the 14 of October, 1915.
US Navy photo from NARA, courtesy of Daniel Dunham. Photo added 07/14/06.
SS-3582k Alert (AS-4) (1875-1922) tied up at Kuahua Island, Pearl Harbor, Hawaii, while serving as a submarine tender, 22 August 1917. Submarines alongside Alert include, from inboard to outboard, K-4 (SS-35), K-3 (SS-34) and either K-7 (SS-38) or K-8 (SS-39).
USNHC photo # NH 42542, courtesy of the US Naval Historical Center.
SS-3577kK-4 (SS-35) underway with a sister submarine, trimming down "ready for nose dive", circa 1918. The second submarine is probably K-3 (SS-34), K-7 (SS-38), or K-8 (SS-39).
USNHC photo # NH 41968, courtesy of the US Naval Historical Center.
SS-35108kK-4 (SS-35) underway with a sister submarine, trimming down "ready for nose dive", circa 1918. The second submarine is probably K-3 (SS-34), K-7 (SS-38), or K-8 (SS-39).
USNHC photo # NH 41967, courtesy of the US Naval Historical Center.
SS 105 54k The S-1 (SS-105) with a Martin MS-1 scouting seaplane (Bureau # A-6525) on her after deck, during the mid-1920s. Among the submarines docked in the background is K-7 (SS-38), at left. Original photo caption gives location as New London, Connecticut. However, the view may have been taken at Norfolk or Hampton Roads, Virginia.
Donation of Lieutenant Gustave Freret, USN (Retired), 1970. U.S. Naval Historical Center Photograph # NH 70979.
View the K-7 (SS 38)
DANFS history entry located on the Haze Gray & Underway Web Site.
Crew Contact And Reunion Information
Not Applicable to this Vessel
Additional Resources and Web Sites of Interest
Through the Looking Glass, a Historic Look at Submarines
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