U.S.S. John Adams
SSBN-620
1970
(Trident alpha Ta-10174)
- Class: Lafayette - 19 nuclear-propelled ballistic missile submarines of 1961-62
- Displacement: 7,250 tons standard / 8,250 tons submerged
- Dimensions: 425' (oa) x 33' x 31'6"
- Machinery: 1 pressurized-water S5W (Westinghouse) reactor; 2 steam turbines; 15,000 shp; 1 shaft = ~20 knots surfaced / ~25 knots submerged
- Missiles: 16 C-3 Poseidon
- Torpedo Tubes: 4-21" bow Mk 65
- Complement: 143
- Builder: Portsmouth Naval Shipyard
- Keel Laid: 19 May 1961
- Launched: 12 Jan 1963
- Commissioned: 12 May 1964
- Decommissioned: 24 Mar 1989
- Notes: Third generation SSBN - enlarged and improved version of the previous Ethan Allen class. Initially deployed with A-2 Polaris missiles.
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