USS H-3

	USS H-3, ex-Garfish, underway, c. 1922
History
United States
Name	Garfish
Namesake	The gar
Builder	The Moran Company, Seattle, Washington
Cost	$512,247.35 (hull and machinery)
Laid down	3 April 1911
Launched	3 July 1913
Sponsored by	Miss Helen MacEwan
Commissioned	16 January 1914
Decommissioned	23 October 1922
Renamed	H-3 (Submarine No.30), 17 November 1911
Identification	Hull symbol: SS-30 (17 July 1920); Call sign: NYE; ;
Fate	Sold for scrapping, 14 September 1931
General characteristics
Type	H-class submarine
Displacement	358 long tons (364 t) surfaced; 467 long tons (474 t) submerged;
Length	150 ft 4 in (45.82 m)
Beam	15 ft 10 in (4.83 m)
Draft	12 ft 5 in (3.78 m)
Installed power	950 hp (710 kW) (diesel engines); 600 hp (450 kW) (electric motors);
Propulsion	2 × NELSECO diesel engines; 2 × Electro Dynamic electric motors; 2 × 60-cell batteries; 2 × Propellers;
Speed	14 kn (26 km/h; 16 mph) surfaced; 10.5 kn (19.4 km/h; 12.1 mph) submerged;
Range	2,300 nmi (4,300 km; 2,600 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	11,800 US gal (45,000 L; 9,800 imp gal) fuel
Complement	2 officers; 23 enlisted;
Armament	4 × 18 inch (450 mm) bow torpedo tubes (8 torpedoes)

USS Garfish/H-3 (SS-30), also known as "Submarine No. 30", was an H-class submarine of the United States Navy (USN). As of October 2025, she has been the only ship of the USN to be named for the gar, a popular target for recreational anglers, though she was renamed H-3 prior to launching.