Lead Boat: SS-212, U.S.S. Gato
Length: 312′
Beam: 27′
Draft: 17′ (Surface trim)
Displacement: 1,800 tons (surfaced); 2,400 tons (submerged)
Speed: 20-1/4 knots (surfaced); 8-3/4 knots (submerged)
Diving Depth: 300′ (test depth); 450′ (emergency)
Range: 20,000 miles
Endurance: 75 days
Crew: 6-10 (officers); 60-70 (enlisted) Crew size increased as war progressed.
Deck Gun: 1 3″/50-calibre, or 1 4″/50-calibre, or 1 5″/25-calibre
Anti-Aircraft Weapons: 1 or 2-20mm Oerlikons, or 2-40mm Bofors, or 1-20mm and 1-40mm
Light Weaponry: 6-mounting points for 30-calibre, 50-calibre, or combination
Torpedoes: 10-21″ torpedo tubes (6 bow, 4 stern); 24 Mark-14 torpedoes; Mark III Torpedo Data Computer
Engines: 4 GM-Winton V-16, or 4 Fairbanks-Morse 9 or 10-cylinder opposed-piston diesel/generator sets.
Motors: 4 DC high-speed electric motors, reduction gear drive, two per shaft
Radar: Short range SD air detection radar; SJ surface search radar
Sonar: JP hydrophone, upper deck; JK/QC, QB Sonar under bow
Wartime Modifications: Conning tower cut down to reduce silhouette, forward AA gun platform added, progressively heavier deck gun fitted, enhanced sonar and radar, bathythermograph, LORAN.

Fun Fact: It was customary to give the name of the boat and class the Americanized pronunction “gate-oh,” rather than the Spanish form “gaht-oh”.

 

Hull NumberNameCommission DateFateClass
SS-212Gato1941Scrapped 1960Gato-Class
SS-213Greenling1942Scrapped 1960Gato-Class
SS-214Grouper1942Scrapped 1968Gato-Class
SS-215Growler1942Lost November 1944Gato-Class
SS-216Grunion1942Lost July/August 1942Gato-Class
SS-217Guardfish1942Sunk as target 1961Gato-Class
SS-218Albacore1942Lost November 1944Gato-Class
SS-219Amberjack1942Lost February 1943Gato-Class
SS-220Barb1942Italy 1954, Sold 1972Gato-Class
SS-221Blackfish1942Scrapped 1958Gato-Class
SS-222Bluefish1943Scrapped 1953Gato-Class
SS-223Bonefish1943Lost June 1945Gato-Class
SS-224Cod1943Museum, ClevelandGato-Class
SS-225Cero1943Scrapped 1967Gato-Class
SS-226Corvina1943Lost November 1943Gato-Class
SS-227Darter1943Lost October 1944Gato-Class
SS-228Drum1941Museum, Mobile ALGato-Class
SS-229Flying Fish1941Scrapped 1959Gato-Class
SS-230Finback1942Scrapped 1959Gato-Class
SS-231Haddock1942Scrapped 1960Gato-Class
SS-232Halibut1942Scrapped 1946Gato-Class
SS-233Herring1942Lost June 1944Gato-Class
SS-234Kingfish1942Scrapped 1960Gato-Class
SS-235Shad1942Scrapped 1960Gato-Class
SS-236Silversides1941Museum, Muskegon, MIGato-Class
SS-237Trigger1942Lost March 1945Gato-Class
SS-228Wahoo1942Lost December 1943Gato-Class
SS-239Whale1942Scrapped 1960Gato-Class
SS-240Angler1943Scrapped 1974Gato-Class
SS-241Bashaw1943Sunk as target 1969Gato-Class
SS-242Bluegill1943Scuttled off Hawaii for salvage trainingGato-Class
SS-243Bream1944Sunk as target 1969Gato-Class
SS-244Cavalla1944Museum, Galveston, TXGato-Class
SS-245Cobia1944Museum, Manitowoc, WIGato-Class
SS-246Croaker1944Museum, Buffalo, NYGato-Class
SS-247Dace1943Italy 1955, Sold 1972Gato-Class
SS-248Dorado1943Lost Octover 1943Gato-Class
SS-249Flasher1943Scrapped 1963, Conning Tower at Groton, CTGato-Class
SS-250Flier1943Lost September 1944Gato-Class
SS-251Flounder1943Scrapped 1960Gato-Class
SS-252Gabilan1943Scrapped 1960Gato-Class
SS-253Gunnel1942Scrapped 1959Gato-Class
SS-254Gurnard1942Scrapped 1961Gato-Class
SS-255Haddo1942Scrapped 1955Gato-Class
SS-256Hake1942Scrapped 1972Gato-Class
SS-257Harder1942Lost August 23, 1944Gato-Class
SS-258Hoe1942Scrapped 1960Gato-Class
SS-259Jack1943Greece 1958, Sunk as target 1968Gato-Class
SS-260Lapon1943Sunk as target 1973Gato-Class
SS-261Mingo1943Japan 1957, Scrapped 1971Gato-Class
SS-262Muskellunge1943Sunk as target 1968Gato-Class
SS-263Paddle1943Brazil 1957, Sunk as target 1968Gato-Class
SS-264Pargo1943Scrapped 1961Gato-Class
SS-265Peto1942Scrapped 1960Gato-Class
SS-266Pogy1943Scrapped 1959Gato-Class
SS-267Pomon1943Scrapped 1960Gato-Class
SS-268Puffer1943Scrapped 1960Gato-Class
SS-269Rasher1943Scrapped 1974Gato-Class
SS-270Raton1943Scrapped 1973Gato-Class
SS-271Ray1943Scrapped 1960Gato-Class
SS-272Redfin1943Scrapped 1971Gato-Class
SS-273Robalo1943Lost July 26, 1974Gato-Class
SS-274Rock1943Scrapped 1972Gato-Class
SS-275Runner1942Lost July 1, 1943Gato-Class
SS-276Sawfish1942Scrapped 1960Gato-Class
SS-277Scamp1942Lost November 1944Gato-Class
SS-278Scorpion1942Lost March 1944Gato-Class
SS-279Snook1942Lost April 1945Gato-Class
SS-280Steelhead1942Scrapped 1960Gato-Class
SS-281Sunfish1942Scrapped 1960Gato-Class
SS-282Tunny1942Sunk as target 1970Gato-Class
SS-283Tinosa1943Scuttled 1960 as ASW targetGato-Class
SS-284Tullibee1943Lost March 1944Gato-Class