USS S-21 (SS-126) was a first-group (S-1 or "Holland") S-class submarine of the United States Navy in commission from 1921 to 1922 and from 1923 to 1942. In 1928, she made the first gravimetric measurements ever made aboard a U.S. ship at sea.

USS Seawolf (SSN-21) is a nuclear-powered fast attack submarine and the lead ship of her class. She is the fourth submarine of the United States Navy named for the seawolf. The contract to build Seawolf was awarded to the Electric Boat Division of General Dynamics on 9 January 1989 and her keel was laid down on 25 October 1989.

2015年9月1日 · S-21 (SS-126) was laid down on 19 December 1918 by the Bethlehem Shipbuilding Corp., Quincy, Mass.; launched on 18 August 1920; sponsored by Mrs. Thomas Baxter; and commissioned on 24 August...

USS S-21 (SS-126) was a first-group (S-1 or "Holland") S-class submarine of the United States Navy in commission from 1921 to 1922 and from 1923 to 1942. In 1928, she made the first gravimetric measurements ever made aboard a U.S. ship at sea.

USS S-21 (SS-126) was a first-group (S-1 or "Holland") S-class submarine of the United States Navy. Her keel was laid down on 19 December 1918 by the Bethlehem Shipbuilding Corporation in Quincy, Massachusetts. She was launched on 18 August 1920 sponsored by Mrs. Thomas Baxter, and commissioned on 24 August 1921 with Lieutenant R. P. Luker in ...

Downloaded from the US National Archives website, original download location. File Unit: Plans for the Submarine USS S-21 (SS-126), 1789 - 1967. Series: Alphabetical Series of Ship Engineering Drawings, 1789 - 1967.

2008年3月1日 · SS-126 USS S-21. S-1 type Submarine: Displacement: 800 tons surfaced, 1,062 tons submerged Length: 219'3" Beam: 20'6" Draft: 15'1" Speed: 14.5 knots surfaced, 11 knots submerged Armament: 1 4"/50, 4 bow torpedo tubes, 12 21" torpedoes Complement: 50 Diesel engines, 1200 h.p. surfaced/electric motors, 1500 h.p. submerged

The first of a revolutionary of a new class of fast attack submarines, the Seawolf, was christened June 24, 1995, at the Electric Boat Division of General Dynamics Corporation in Groton, Conn. SSN 21 was commissioned during a ceremony on July 19, 1997, at Electric Boat Shipyard, with Cmdr. David M. McCall in command.

From 1923 into 1930, S-21 operated off the northeastern coast of the United States. From January into April 1924, she visited the Panama Canal, St. Thomas and Trinidad. Departing from New London on 25 November, she visited Hawaii, from 27 April to 25 May 1925, before returning to New London in July.

The Gato-class submarine USS Runner was laid down on 8 December 1941 at Portsmouth Navy Yard, Kittery, Maine; launched on 30 May 1942; commissioned the USS Runner (SS-275) on 30 July 1942; and believed to have been sunk on its third patrol by a mine in June or July 1943, between Japan and Midway Island, with all hands lost.