USS S-7 (SS-112)

History
USS S-7 (SS-112)

Name:	USS S-7
Builder:	Portsmouth Navy Yard
Laid down:	29 January 1918
Launched:	5 February 1920
Commissioned:	1 July 1920
Decommissioned:	3 April 1931
Struck:	25 January 1937
General characteristics
Class and type:	S-class submarine
Displacement:	876 long tons (890 t) surfaced 1,092 long tons (1,110 t) submerged
Length:	231 ft (70 m)
Beam:	21 ft 10 in (6.65 m)
Draft:	13 ft 1 in (3.99 m)
Speed:	15 kn (17 mph; 28 km/h) surfaced 11 kn (13 mph; 20 km/h) submerged
Complement:	38 officers and men
Armament:	1 × 4 in (100 mm)/50 deck gun 4 × 21 inch (533 mm) torpedo tubes

USS S-7 (SS-112) was a second-group (S-3 or "Government") S-class submarine of the United States Navy. Her keel was laid down on 29 January 1918 by the Portsmouth Navy Yard. She was launched on 5 February 1920 sponsored by Mrs. Henry L. Wyman, and commissioned on 1 July 1920 with Lieutenant Commander Sherwood Picking in command.

S-7 sailed from New London, Connecticut on 18 November 1920 to rendezvous with S-boats of Submarine Division 18 (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. Departing Pearl Harbor on 3 November, they reached Cavite, Luzon, Philippine Islands, on 1 December. This was the longest cruise on record, at that time, for American submarines.

S-7 remained in the Philippines over the next three years except for annual spring visits to Shanghai, Chefoo, Chinwangtao, Amoy, Tsingtao, and Woosung, China. She finally departed Cavite on 29 October 1924 for Mare Island, California, arriving there on 30 December.

S-7 remained at Mare Island through 1925 and operated along the West Coast in 1926, mainly at San Francisco, San Pedro, and San Diego, California. Sailing from San Francisco on 17 February 1927, she operated in the Panama Canal area from March–April, arrived at New London on 3 May, and spent the rest of the year operating along the New England coast. S-7 served in the Panama Canal area from February–April 1928, from January–April 1929, and from January–March 1930, with the remainder of those years in the northeast.

Departing New London on 22 October, S-7 was decommissioned at Philadelphia, Pennsylvania, on 3 April 1931, and was struck from the Naval Vessel Register on 25 January 1937.

References

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.

S-class submarine

United States Navy

Prototypes	S-1 (Holland design) S-2 (Lake design) S-3 (Navy design)
Navy (S-3) Group	S-4 S-5 S-6 S-7 S-8 S-9 S-10 S-11 S-12 S-13 S-14 S-15 S-16 S-17
Holland (S-1) Group	S-18 S-19 S-20 S-21 S-22 S-23 S-24 S-25 S-26 S-27 S-28 S-29 S-30 S-31 S-32 S-33 S-34 S-35 S-36 S-37 S-38 S-39 S-40 S-41
Second Holland (S-42) Group	S-42 S-43 S-44 S-45 S-46 S-47
Second Navy (S-48) Group	S-48 S-49 S-50 S-51

Other operators
Polish Navy	Jastrząb (ex-P551, S-25)
Royal Navy	P551 (ex-S-25) P552 (ex-S-1) P553 (ex-S-21) P554 (ex-S-22) P555 (ex-S-24) P556 (ex-S-29)

Preceded by: R class
Followed by: V-boats
List of submarines of the United States Navy

List of submarine classes of the United States Navy

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