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NavSource Online: Submarine Photo Archive

N-7 (SS-59)

Radio Call Sign: November - Zulu - Kilo

N-4 Class Submarine: Laid down, 20 April 1915, at Lake Torpedo Boat Co., Bridgeport, CT.; Launched, 19 May 1917; Commissioned, USS N-7, 15 June 1918; Laid up in the Atlantic Reserve Fleet, 7 June 1920; Designated (SS-59), 17 July 1920; Put into New London to have her main engines removed and transferred to L-9 (SS-49); Ordered to be sold 5 April 1922; Departing 27 January 1922, tug Lykens (AT-56) towed the hulk of N-7 to Philadelphia; Decommissioned, 7 February 1922, at Philadelphia Navy Yard, Philadelphia, PA.; Struck from the Naval Register, date unknown; Final Disposition, sold for scrapping 5 June 1922 to Joseph G. Hitner of Philadelphia, PA.
Partial data submitted by Yves Hubert.

Specifications: Displacement, surfaced: 340 t., submerged: 415 t.; Length 147' 3"; Beam 14' 6"; Draft 12' 4"; Speed, surfaced 13 kts, submerged 11 kts; Maximum Depth 200'; Complement 3 Officers, 26 Enlisted; Armament, four 18" torpedo tubes, eight torpedoes; Propulsion, diesel-electric, Busch Sulzer Brothers Diesel Engine Co., diesel engines, 600 hp, Fuel Capacity, 5,976 gals., Diehl Manufacture Co. electric motors, 300 hp, Battery Cells 120, single screw.
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N-5 & 7 107k Bow view tied up to dock, from left to right:N-7 (SS-59) & N-5 (SS-57) at Lake Torpedo Boat Co., Bridgeport, CT., 7 July 1917. USN photo # 19-N-853, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
N-6 & 7 122k Stern view of the N-6 (SS-58) & N-7 (SS-59) dockside at Lake Torpedo Boat Co., Bridgeport, CT., 1 October 1917. USN photo # 19-N-867, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
N-1 and H-146kN-1 (SS-53), alongside H-1 (SS-28), off of Cristobal, C.Z., circa December 1917. USN photo courtesy of John Hummel.
R-24 134k PDF entitled "How the Diesel engine came to America." Photo courtesy of subvetpaul.com.
N-7 68k N-7 (SS-59) , with other N-boats at Lake Torpedo Boat Co., Bridgeport, CT., 1 April 1918. USN photo # 19-N-886, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
N-7 72k Crew members pose beside and on N-7's (SS-59) fairwater, at the New London Submarine Base, Groton, Connecticut, circa late 1918. Among the several other submarines present are "boats" of the "H" and "D" types. U.S. Naval Historical Center Photograph # NH 104997. Photograph from the album of Lieutenant (Junior Grade) Edward D. Porges. Donated by his daughter, Gail Porges Guggenheim, 2007.
N-7 60k Crewmembers pose beside and on N-7's (SS-59) fairwater, while she was at the New London Submarine Base, Groton, Connecticut, circa late 1918. U.S. Naval Historical Center Photograph # NH 104994. Photograph from the album of Lieutenant (Junior Grade) Edward D. Porges. Donated by his daughter, Gail Porges Guggenheim, 2007.
N-7 60k G-3 (SS-31), left and N-7 (SS-59) at the New London Submarine Base, Groton, Connecticut, circa late 1918. Note the hinged flap covering the muzzle of G-3's port after torpedo tube (right foreground). U.S. Naval Historical Center Photograph # NH 104986. Photograph from the album of Lieutenant (Junior Grade) Edward D. Porges. Donated by his daughter, Gail Porges Guggenheim, 2007.
N-7 74k N-7 (SS-59) at the New London Submarine Base, Groton, Connecticut, circa late 1918. U.S. Naval Historical Center Photograph # NH 104984. Photograph from the album of Lieutenant (Junior Grade) Edward D. Porges. Donated by his daughter, Gail Porges Guggenheim, 2007.
N-7 64k N-7 (SS-59) at the New London Submarine Base, Groton, Connecticut, circa late 1918. U.S. Naval Historical Center Photograph # NH 104985. Photograph from the album of Lieutenant (Junior Grade) Edward D. Porges. Donated by his daughter, Gail Porges Guggenheim, 2007.
N-7 67k Scene in her torpedo room, showing the breeches of her four 18-inch torpedo tubes. Taken circa late 1918, while she was based at the New London Submarine Base, Groton, Connecticut. U.S. Naval Historical Center Photograph # NH 104995. Photograph from the album of Lieutenant (Junior Grade) Edward D. Porges. Donated by his daughter, Gail Porges Guggenheim, 2007.
N-7 50k Scene in N-7's (SS-59) control room, circa late 1918, while she was based at the New London Submarine Base, Groton, Connecticut. U.S. Naval Historical Center Photograph # NH 104996. Photograph from the album of Lieutenant (Junior Grade) Edward D. Porges. Donated by his daughter, Gail Porges Guggenheim, 2007.
N-7 74k N-7 (SS-59) , with crew on deck, underway, 1919.
Returning to New London 24 October, 1918 N-7 remained there until 21 June 1919, when she sailed to Philadelphia for extensive overhaul.
USN photo # 19-N-14717, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham. Text courtesy of DANFS.
N-7 79k N-7 (SS-59) Officers and Crew on deck, at the New London Submarine Base, Groton, Connecticut, 1919. U.S. Naval Historical Center Photograph # NH 45633.
N-7 79k N-7 (SS-59) Officers and Crew on deck, at the New London Submarine Base, Groton, Connecticut, 1919. U.S. Naval Historical Center Photograph # NH 45633.
Lake Boats 122k Lake boats show their distinctive sterns at Philadelphia Navy Yard in 1919: O-boats, inboard O-12 (SS-73), outboard O-14 (SS-75), middle boat,N-7 (SS-59) and two other unidentified boats.
After WW I the U.S. Navy standardized on Lake's flat stern, whose buoyancy kept the propellers and diving planes down in the water.
Photo i.d. courtesy of Dave Johnston (USNR).
Photo & text courtesy of U.S. Submarines Through 1945, An Illustrated Design History by Norman Friedman. Naval Institute Press.
N-7 103k Portside view of the N-7 (SS-59) , underway in harbor, circa 1918-22, location unknown. USN photo courtesy of ussubvetsofwwii.org.

View the N-7 (SS-59)
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
PigBoats.COM TM, a Historic Look at Submarines

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