USS E-1

	USS E-1, ex-Skipjack, underway, starboard side view, at the Naval Review, at New York City, 4 October 1912
History
United States
Name	Skipjack
Namesake	The skipjack
Builder	Fore River Shipyard, Quincy, Massachusetts
Cost	$387,788.57 (hull and machinery)
Laid down	22 December 1909
Launched	27 May 1911
Sponsored by	Mrs. Donald R. Battles
Commissioned	14 February 1912
Decommissioned	20 October 1921
Renamed	E-1 (Submarine No.24), 17 November 1911
Stricken	6 March 1920
Identification	Hull symbol: SS-24 (17 July 1920); Call sign: NSP; ;
Fate	Sold for scrapping, 19 April 1922
General characteristics
Class & type	E-class submarine
Displacement	287 long tons (292 t) surfaced; 342 long tons (347 t) submerged;
Length	135 ft 3 in (41.22 m)
Beam	14 ft 7 in (4.45 m)
Draft	11 ft 8 in (3.56 m)
Installed power	700 hp (522 kW) (diesel); 600 hp (447 kW) (electric);
Propulsion	2 × NELSECO diesel engines; 2 × Electro Dynamic electric motors; 2 × 60-cell batteries; 2 × Propellers;
Speed	13.5 kn (25.0 km/h; 15.5 mph) surfaced; 11.5 kn (21.3 km/h; 13.2 mph) submerged;
Range	2,100 nmi (3,900 km; 2,400 mi) at 11 kn (20 km/h; 13 mph) surfaced ; 100 nmi (190 km; 120 mi) at 5 kn (9.3 km/h; 5.8 mph) submerged;
Test depth	200 ft (61 m)
Capacity	8,486 US gal (32,120 L; 7,066 imp gal) fuel
Complement	1 officer; 19 enlisted;
Armament	4 × 18 inch (450 mm) bow torpedo tubes (4 torpedoes)

USS Skipjack/E-1 (SS-24), also known as "Submarine No. 24", was an E-class submarine of the United States Navy (USN). She was the first boat in the USN named for the skipjack, though she was renamed E-1 prior to commissioning. She was the first American submarine to be powered by diesel engines. E-1 served in patrol duty in the waters around the Azores, during WWI.