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NavSource Online: Submarine Photo Archive

S-7 (SS-112)

Radio Call Sign: November - India - Mike - Papa

S-4 Class Submarine (Government-type): Laid down, 29 January 1918, at Portsmouth Navy Yard, on Seavey Island in Kittery, Maine. Launched, 5 February 1920; Commissioned, USS S-7, 1 July 1920; Re-designated USS S-7 (SS-112), 17 July 1920; Decommissioned, 3 April 1931, at Philadelphia Navy Yard, Philadelphia, PA.; Laid up in the Reserve Fleet; Struck from the Naval Register, 25 January 1937; Final Disposition, sold for scrapping, date unknown.

Specifications: Displacement, Surfaced: 876 t., Submerged: 1092 t..; Length 231' ; Beam 21' 10"; Draft 13' 1"; Speed, surfaced 15 kts, submerged 11 kts; Depth Limit 200'; Complement 4 Officers, 34 Enlisted; Armament, four 21" torpedo tubes, 12 torpedoes, one 4"/50 deck gun; Propulsion, diesel electric engines, New London Ship and Engine Co. diesel engines, 2,000 hp, Fuel Capacity, 36,950 gal.; Westinghouse Electric Co., electric motors, 1,200 hp, Battery Cells, 120, twin propellers.
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S-7 85k Keel laying of the S-7 (SS-112) at the Portsmouth Navy Yard, Kittery, Maine, 29 January 1918. Note the riveting hammers held by the two officers at right and the man in the middle, and hot rivet tongs held by the young men at left, and the metal tags on their clothing. USNHC photograph # NH 46544.
S-7 & 9 307k Awnings don the S-7 (SS-112) with the non-commissioned S-9 (SS-114) alongside, Portsmouth Navy Yard, October 1920. USN photo courtesy of Scott Koen &
S-28 534k S-7 (SS-112) sailed from New London, Conn., on 18 November 1920 to rendezvous with S-boats of SubDiv 18 and her own division, SubDiv 12, off New Hampshire. They proceeded via the Panama Canal to Hawaii, arriving at Pearl Harbor on 15 April 1921.
In this photo S-7 with the company of two other S-boats wait to transit the Panama Canal.
Text courtesy of DANFS.
Photo courtesy of David Wright.
S-6 & 7 212k Four leg horse power meets the battery driven kind in this circa 1921 photo of the S-6 (SS-111) & S-7 (SS-112) in China. Photo courtesy of Charles J. Townsend via his son, Jim Townsend.
S-6,7,& 8 223k Stern view of the S-7 (SS-112) with the S-6 (SS-111) & S-8 (SS-113) docked ahead somewhere on the Pacific coast during the mid 1920's. Photo courtesy of Charles J. Townsend via his son, Jim Townsend.
766k Five S boats at dock: From outboard to inboard: S-9 (SS-114), S-7 (SS-112), & S-3 (SS-107) forward, behind are two unindentified S boats. Photo courtesy of via Daniel Hacker.
S-7 142k S-7 (SS-112) rising from the harbor floor, possibly at Mare Island, circa 1925. USN photo courtesy of
SS 109103kThe Submarine Tender Holland (AS-3) in port, with several S-boats type submarines alongside, circa 1926. Note the Submarine Division Eleven insignia on the fairwaters of the two inboard subs. Submarines present are (from inboard to outboard):
S-25 (SS-130):
S-7 (SS-112):
S-4 (SS-109):
S-6 (SS-111) &
S-8 (SS-113) .
USNHC photograph # NH 53436.
S-7 221k Starboard view of the S-7 (SS-112) underway, during the 1920s. USN photo # 19-N-20291, from the National Archives and Records Administration (NARA), courtesy of Daniel Dunham.
S-boats 115k The Submarine Tender Camden (AS-6) photographed circa the middle or later 1920s, with ten S-boats alongside. The submarines are (on Camden's starboard side, from left to right):
S-18 (SS-123) & unidentified Electric Boat type S-boat;
S-19 (SS-124);
S-12 (SS-117); and an unidentified Government type S-boat.
On Camden'sport side, from left to right:
Unidentified Government type S-boat;
S-7 (SS-112);
S-8 (SS-113) ;
S-9 (SS-114); and
S-3 (SS-107).
Collection of Vice Admiral Dixwell Ketcham, USN. USNHC photograph NH 100459.
S-7 54k S-7 (SS-112) passing Mercy (AH-4) in Guantanamo Bay, Cuba, February 1928. Photographed by Tauzin. USNHC photograph # NH 41897.
S-4,6,7 & 8
581k Officers and crew of submarines S-7 (SS-112), S-6 (SS-111), S-4 (SS-109), & S-8 (SS-113) are lined up on deck during inspection. Photo courtesy of via Daniel Hacker.
By By SS 425k S-3 (SS-107), S-6 (SS-111), S-7 (SS-112), S-8 (SS-113), S-9 (SS-114) going out of commission at Philadelphia Navy Yard, 23 October 1930. Photo courtesy of the Boston Public Library, Leslie Jones Collection via Sean Hert &
S-10 67k These O type and S type submarines which were used during the World War have since been decommissioned and are now laid up in the Phila. Navy Yard. The peaceful surroundings are quite a contrast to those of their active war days. They are pictured here on 17 July 1936.
The S-10 (SS-115) was decommissioned on the day this photo was taken at Philadelphia Navy Yard, Philadelphia, PA. and laid up in the Reserve Fleet.
Pictured also are any of the following boats that were at the PNY during this time.
The O boats: O-1 (SS-62), O-2 (SS-63), O-3 (SS-64), O-6 (SS-67), O-7 (SS-68), O-8 (SS-69), O-9 (SS-70), O-10 (SS-71).
The S boats: S-6 (SS-111), S-7 (SS-112), S-8 (SS-113), S-9 (SS-114), S-11 (SS-116), S-12 (SS-117), S-13 (SS-118), S-14 (SS-119), S-15 (SS-120), S-16 (SS-121), S-17 (SS-122) & S-48 (SS-159).
Photo & text courtesy of A.P. Wire courtesy of
By By SS
1.36k Six old US Navy submarines as tugs took them in tow at the Philadelphia Navy Yard, 15 October 1942, to tow them up the Delaware River to the Northern Metals Co. Plant, where they will be scrapped and the metal sent to steel plants to make new steel. The subs are the O-1 (SS-62), built in 1917 and of 480 tons; and the S-3 (SS-107), S-6 (SS-111), S-7 (SS-112), S-8 (SS-113), S-9 (SS-114), each of 790 tons built between 1919 and 1921. The vessels have been tied up in the Reserve Basin of the condemned as being of no further use as submarines. Photo courtesy of via James Bass

View the S-7 (SS-112)
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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