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NavSource Online: Submarine Photo Archive

L-10 (SS-50)

Radio Call Sign: November - Yankee - Whiskey
L-1 Class Submarine: Laid down, 17 February 1915, at Fore River Shipbuilding Co., Quincy, MA.; Launched, 16 March 1916; Commissioned, USS L-10, 2 August 1916; Designated (SS-50), 17 July 1920; Decommissioned and simultaneously struck from the Naval Register, 5 May 1922, at Philadelphia, PA.; Final Disposition, sold for scrapping, 31 July 1922 to Joseph G. Hinter, Philadelphia.

Specifications: Displacement, Surfaced: 450 t., Submerged: 548 t..; Length 167' 5"; Beam 17' 5"; Draft 13' 7"; Speed, Surfaced 14 kts, Submerged 10.5 kts; Depth Limit 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 900, Fuel Capacity, 18,977 gal., Electro Dynamic Co, electric motor, HP 680, Battery Cells, 120, single propeller.
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L-10 151k Starboard side view of the L-10 (SS-50) underway at Provincetown, Mass., May 24, 1916.
 		US Navy photo courtesy of ussubvetsofwwii.org.
L-10 77k L-10 (SS-50) underway at 14 knots at Provincetown, Mass., May 24, 1916.
 		US Navy photo # 19-N-3798, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
L-10 78k L-10 (SS-50) underway at 14 knots, starboard view at Provincetown, Mass., May 24, 1916.
 		US Navy photo # 19-N-3797, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
L-10 109k L-10 (SS-50) underway at 8.3 knots, portside view at Provincetown, Mass., May 25, 1916.
 		US Navy photo # 19-N-13787, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
L-10 89k L-10 (SS-50) underway at 8.3 knots at Provincetown, Mass., May 26, 1916.
L-10 was a typical E.B. L-Boat. Note her temporary canvas bridge screen and fixed (non-housing) periscopes. The object forward of her bridge fairwater is a disappearing 3in/23 gun. 		Partial text courtesy of U.S. Submarines Through 1945, An Illustrated Design History by Norman Friedman. Naval Institute Press.
US Navy photo # 19-N-3799, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
L-10 70k L-10 (SS-50) at rest, portside view at Provincetown, Mass., June 5, 1916.
 		US Navy photo # 19-N-37911, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
L-10 86k L-10 (SS-50) bow view at rest at Provincetown, Mass., June 7, 1916.
 		US Navy photo # CR-13818, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
L-3/L-11/L-10/L-4/L-9 67k L-3 (SS-42), L-11 (SS-51), L-10 (SS-50), L-4 (SS-43) and L-9 (SS-49), alongside their tender in Great Britain during World War I.
They display the most important war modifications: the permanent open chariot bridge & retractable (housing) periscopes. L-10 shows three fixed-spot hydrophones forward, presumably comprising a K-tube.
 Partial text courtesy of U.S. Submarines Through 1945, An Illustrated Design History by Norman Friedman. Naval Institute Press. US Navy photo NH 60252, from the collections of the US Naval Historical Center.
L 9 - 11 100k Circa December 1917 - January 1918 photo of the L-9 (SS-49), L-10 (SS-50) & L-11 (SS-51) wearing the A.L. of WW I, at Portsmouth, New Hampshire.
US Navy photo courtesy of Robert M. Cieri.
SS-51,50,40, 49 & 4189k L-boats alongside Bushnell (AS-2) at Bantry Bay, Ireland, in 1918. These submarines are, from left to right:
unidentified submarine;
L-11 (SS-51),
L-10 (SS-50),
L-1 (SS-40),
L-9 (SS-49)&
L-2 (SS-41).
Identification marks painted on these "boats"' fairwaters include the letter "A", to distinguish them from British L-boats .
U.S. Naval Historical Center Photograph, # NH 51172.
SS-51,50,40, 49 & 4184k L-boats alongside Bushnell (AS-2) at Bantry Bay, Ireland, in 1918. These submarines are, from left to right:
unidentified submarine;
L-11 (SS-51),
L-10 (SS-50),
L-1 (SS-40),
L-9 (SS-49)&
L-2 (SS-41).

Official U.S. Navy Photograph, # 80-G-1024919, now in the collections of the National Archives.
L-4, 10 & 11 61k Bushnell (AS-2) at anchor in Bantry Bay, Ireland, 1918. The submarines alongside are (from left to right): L-4 (SS-43); L-11 (SS-51); and L-10 (SS-50).
US Navy photo # NH 52856, from the collections of the US Naval Historical Center. Collection of Rear Admiral Harold F. Pullen, USN. Loaned via Captain Paul B. Ryan, USN (Retired), 1977.
SS-50,40, 49 & 4380k L-boats alongside Bushnell (AS-2) at Bantry Bay, Ireland, in 1918. These submarines are, from left to right:
unidentified submarine;
L-1 (SS-40),
L-10 (SS-50),
L-4 (SS-43)&
L-9 (SS-49).
U.S. Naval Historical Center Photograph, # NH 51171.
SS-50,40, 49 & 4387k L-boats alongside Bushnell (AS-2) at Bantry Bay, Ireland, in 1918. These submarines are, from left to right:
unidentified submarine;
L-1 (SS-40),
L-10 (SS-50),
L-4 (SS-43) &
L-9 (SS-49).
Note the smoke from the submarines' engines.
U.S. Naval Historical Center Photograph, # NH 51170.
L-10 43k Signal flags fly from her conning tower as the L-10 (SS-50) passes an American battleship, probably the Nevada (BB-36) in Bantry Bay, Ireland, circa 1918. Photo from War Under The Pacific, by K.Wheeler, and submitted courtesy of Robert Hurst.
L-10 43k Cobra (SP-626) in a New England port during World War I. L-10 (SS-50) is in the foreground. The bows of Parthenia (SP-671) and Marold (SP-737) are visible at left, tied up alongside each other, with Parthenia inboard. The patrol boat tied up inboard of Cobra is unidentified. The civilian motor boat Cobra was acquired by the Navy on 19 September 1917 and commissioned on 4 November 1917. Following World War I service, she was transferred to the Bureau of Fisheries on 9 September 1919. U.S. Naval Historical Center Photograph # NH 100864. Photo added 02/03/08.
SS-50,40, & 4383k These submarines are, from left to right:
L-4 (SS-43),
L-10 (SS-50),
L-1 (SS-40).
At the Philadelphia Navy Yard, Pennsylvania, soon their 1 February 1919 return to the U.S. from European waters. Note what appears to be a very long "homeward bound" pennant flying from the top of L-1's (SS-40), periscope.
U.S. Naval Historical Center Photograph, # NH 51158.
SS-50,40, & 4383k These submarines are, from left to right:
L-4 (SS-43),
L-10 (SS-50),
L-1 (SS-40).
At the Philadelphia Navy Yard, Pennsylvania, soon their 1 February 1919 return to the U.S. from European waters. Note chevrons painted on the submarines' fairwaters, signifying World War I overseas service.
U.S. Naval Historical Center Photograph, # NH 51144.
SS-50,40, & 4383k These submarines are, from left to right:
L-4 (SS-43),
L-10 (SS-50),
L-1 (SS-40).
At the Philadelphia Navy Yard, Pennsylvania, soon their 1 February 1919 return to the U.S. from European waters. Ship in the immediate background is either Quinnebaug (ID # 1687) or Saranac (ID # 1702), with the other of the two beyond her.
U.S. Naval Historical Center Photograph, # NH 51142.
SS-50,40, & 43104k These submarines are, from left to right:
L-4 (SS-43),
L-10 (SS-50),
L-1 (SS-40).
At the Philadelphia Navy Yard, Pennsylvania, soon their 1 February 1919 return to the U.S. from European waters. Ship in the immediate background is either Quinnebaug (ID # 1687) or Saranac (ID # 1702), with the other of the two beyond her.
U.S. Naval Historical Center Photograph, # NH 51143.
SS-18, 19, 40, 43 & 5091kD-3 (SS-19), at left,and D-2 (SS-18) center. At the Philadelphia Navy Yard, Pennsylvania, 5 March 1919, with shipyard workmen on board. Note the ventilating fans on D-3's deck. A derrick barge is alongside D-2 . Among the four submarines visible in the background are L-1 (SS-40), L-4 (SS-43) and L-10 (SS-50). A motorcycle is parked at the far left.
U.S. Naval Historical Center Photograph, # NH 51157.
L-10 70k L-10 (SS-50), seen alongside and unidentified Eagle Boat (PE), date and place unknown. Vance Adams for his father, Lt. Vance Adams USN Ret (deceased).
View the L-10 (SS-50)
DANFS history entry located on the Haze Gray & Underway Web Site.
Crew Contact And Reunion Information
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Additional Resources and Web Sites of Interest
Through the Looking Glass, a Historic Look at Submarines
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