Laid down by Mare Island Naval Shipyard on 1 July 1954, launched on 2 July 1957, commissioned on 7 March 1958, decommissioned on 25 May 1964, converted into an amphibious transport submarine (LPSS), recommissioned in 1958, decommissioned on 16 June 1984 and sunk as a target near Subic Bay, Philippines on 13 April 1986. Part of Grayback-class preceded by Tang-class. Consisted of the Grayback SSG-574 and Growler (SSG-577). Tonnage 2,670 (surfaced)-3,650 (submerged) tons, full displacement 2,812 tons and as dimensions 96.80 x 8.28 x 5.8 metres or 317.7 x 27.2 x 19 feet. Propulsion consisted of 3 × Fairbanks-Morse Diesel engines with a total horsepowe of 4,500 shp, 2 Elliott electric motors with a total horsepower of 5,500 shp and 4 × 126-cell GUPPY I batteries with 2 shafts a speed of 15 knots (surfaced)-12 (submerged) knots. Test diving depth 210 meter/700 feet. Crew numbered 25 men. Armament consisted of 2 × Regulus missile hangars (4 × Regulus I missiles or 2 × Regulus II missiles) and 8-53.3cm/21"(6 bow, 2 stern).
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