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 Number | Name | Commission Date | Fate | Class |
|---|---|---|---|---|
| SS-212 | Gato | 1941 | Scrapped 1960 | Gato-Class |
| SS-213 | Greenling | 1942 | Scrapped 1960 | Gato-Class |
| SS-214 | Grouper | 1942 | Scrapped 1968 | Gato-Class |
| SS-215 | Growler | 1942 | Lost November 1944 | Gato-Class |
| SS-216 | Grunion | 1942 | Lost July/August 1942 | Gato-Class |
| SS-217 | Guardfish | 1942 | Sunk as target 1961 | Gato-Class |
| SS-218 | Albacore | 1942 | Lost November 1944 | Gato-Class |
| SS-219 | Amberjack | 1942 | Lost February 1943 | Gato-Class |
| SS-220 | Barb | 1942 | Italy 1954, Sold 1972 | Gato-Class |
| SS-221 | Blackfish | 1942 | Scrapped 1958 | Gato-Class |
| SS-222 | Bluefish | 1943 | Scrapped 1953 | Gato-Class |
| SS-223 | Bonefish | 1943 | Lost June 1945 | Gato-Class |
| SS-224 | Cod | 1943 | Museum, Cleveland | Gato-Class |
| SS-225 | Cero | 1943 | Scrapped 1967 | Gato-Class |
| SS-226 | Corvina | 1943 | Lost November 1943 | Gato-Class |
| SS-227 | Darter | 1943 | Lost October 1944 | Gato-Class |
| SS-228 | Drum | 1941 | Museum, Mobile AL | Gato-Class |
| SS-229 | Flying Fish | 1941 | Scrapped 1959 | Gato-Class |
| SS-230 | Finback | 1942 | Scrapped 1959 | Gato-Class |
| SS-231 | Haddock | 1942 | Scrapped 1960 | Gato-Class |
| SS-232 | Halibut | 1942 | Scrapped 1946 | Gato-Class |
| SS-233 | Herring | 1942 | Lost June 1944 | Gato-Class |
| SS-234 | Kingfish | 1942 | Scrapped 1960 | Gato-Class |
| SS-235 | Shad | 1942 | Scrapped 1960 | Gato-Class |
| SS-236 | Silversides | 1941 | Museum, Muskegon, MI | Gato-Class |
| SS-237 | Trigger | 1942 | Lost March 1945 | Gato-Class |
| SS-228 | Wahoo | 1942 | Lost December 1943 | Gato-Class |
| SS-239 | Whale | 1942 | Scrapped 1960 | Gato-Class |
| SS-240 | Angler | 1943 | Scrapped 1974 | Gato-Class |
| SS-241 | Bashaw | 1943 | Sunk as target 1969 | Gato-Class |
| SS-242 | Bluegill | 1943 | Scuttled off Hawaii for salvage training | Gato-Class |
| SS-243 | Bream | 1944 | Sunk as target 1969 | Gato-Class |
| SS-244 | Cavalla | 1944 | Museum, Galveston, TX | Gato-Class |
| SS-245 | Cobia | 1944 | Museum, Manitowoc, WI | Gato-Class |
| SS-246 | Croaker | 1944 | Museum, Buffalo, NY | Gato-Class |
| SS-247 | Dace | 1943 | Italy 1955, Sold 1972 | Gato-Class |
| SS-248 | Dorado | 1943 | Lost Octover 1943 | Gato-Class |
| SS-249 | Flasher | 1943 | Scrapped 1963, Conning Tower at Groton, CT | Gato-Class |
| SS-250 | Flier | 1943 | Lost September 1944 | Gato-Class |
| SS-251 | Flounder | 1943 | Scrapped 1960 | Gato-Class |
| SS-252 | Gabilan | 1943 | Scrapped 1960 | Gato-Class |
| SS-253 | Gunnel | 1942 | Scrapped 1959 | Gato-Class |
| SS-254 | Gurnard | 1942 | Scrapped 1961 | Gato-Class |
| SS-255 | Haddo | 1942 | Scrapped 1955 | Gato-Class |
| SS-256 | Hake | 1942 | Scrapped 1972 | Gato-Class |
| SS-257 | Harder | 1942 | Lost August 23, 1944 | Gato-Class |
| SS-258 | Hoe | 1942 | Scrapped 1960 | Gato-Class |
| SS-259 | Jack | 1943 | Greece 1958, Sunk as target 1968 | Gato-Class |
| SS-260 | Lapon | 1943 | Sunk as target 1973 | Gato-Class |
| SS-261 | Mingo | 1943 | Japan 1957, Scrapped 1971 | Gato-Class |
| SS-262 | Muskellunge | 1943 | Sunk as target 1968 | Gato-Class |
| SS-263 | Paddle | 1943 | Brazil 1957, Sunk as target 1968 | Gato-Class |
| SS-264 | Pargo | 1943 | Scrapped 1961 | Gato-Class |
| SS-265 | Peto | 1942 | Scrapped 1960 | Gato-Class |
| SS-266 | Pogy | 1943 | Scrapped 1959 | Gato-Class |
| SS-267 | Pomon | 1943 | Scrapped 1960 | Gato-Class |
| SS-268 | Puffer | 1943 | Scrapped 1960 | Gato-Class |
| SS-269 | Rasher | 1943 | Scrapped 1974 | Gato-Class |
| SS-270 | Raton | 1943 | Scrapped 1973 | Gato-Class |
| SS-271 | Ray | 1943 | Scrapped 1960 | Gato-Class |
| SS-272 | Redfin | 1943 | Scrapped 1971 | Gato-Class |
| SS-273 | Robalo | 1943 | Lost July 26, 1974 | Gato-Class |
| SS-274 | Rock | 1943 | Scrapped 1972 | Gato-Class |
| SS-275 | Runner | 1942 | Lost July 1, 1943 | Gato-Class |
| SS-276 | Sawfish | 1942 | Scrapped 1960 | Gato-Class |
| SS-277 | Scamp | 1942 | Lost November 1944 | Gato-Class |
| SS-278 | Scorpion | 1942 | Lost March 1944 | Gato-Class |
| SS-279 | Snook | 1942 | Lost April 1945 | Gato-Class |
| SS-280 | Steelhead | 1942 | Scrapped 1960 | Gato-Class |
| SS-281 | Sunfish | 1942 | Scrapped 1960 | Gato-Class |
| SS-282 | Tunny | 1942 | Sunk as target 1970 | Gato-Class |
| SS-283 | Tinosa | 1943 | Scuttled 1960 as ASW target | Gato-Class |
| SS-284 | Tullibee | 1943 | Lost March 1944 | Gato-Class |