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| | | type=Submarine (nuclear-powered)<br/>''Skipjack''-class | | | type=Submarine (nuclear-powered)<br/>''Skipjack''-class |
| | | displ=3,057 t suface<br/>3,500 t submerged | | | displ=3,057 t suface<br/>3,500 t submerged |
| − | | length=251 ft 9 in | + | | length=251 ft 9 in |
| − | | beam=31 ft 7 in | + | | beam=31 ft 7 in |
| | | draft= | | | draft= |
| | | speed=20+ knots | | | speed=20+ knots |
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| | Although the cause of her loss is still not ascertainable, the most probable event was the inadvertent activation of the battery of a Mark 37 torpedo during a torpedo inspection. The torpedo, in a fully ready condition and without a propeller guard, then began a live "hot run" within the tube. Alternatively, the torpedo may have exploded in the tube owing to an uncontrollable fire in the torpedo room. | | Although the cause of her loss is still not ascertainable, the most probable event was the inadvertent activation of the battery of a Mark 37 torpedo during a torpedo inspection. The torpedo, in a fully ready condition and without a propeller guard, then began a live "hot run" within the tube. Alternatively, the torpedo may have exploded in the tube owing to an uncontrollable fire in the torpedo room. |
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| − | The explosion--recorded elsewhere as a very loud acoustic event--broke the boat into two major pieces, with the forward hull section, including the torpedo room and most of the operations compartment, creating one impact trench while the aft section, including the reactor compartment and engine room, created a second impact trench. The sail is detached and lies nearby in a large debris field. | + | The explosion—recorded elsewhere as a very loud acoustic event—broke the boat into two major pieces, with the forward hull section, including the torpedo room and most of the operations compartment, creating one impact trench while the aft section, including the reactor compartment and engine room, created a second impact trench. The sail is detached and lies nearby in a large debris field. |
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| | Owing to the pressurized-water nuclear reactor in the engine room, deep ocean radiological monitoring operations were conducted in August and September 1986. The site had been previously monitored in 1968 and 1979 and none of the samples obtained showed any evidence of release of radioactivity. | | Owing to the pressurized-water nuclear reactor in the engine room, deep ocean radiological monitoring operations were conducted in August and September 1986. The site had been previously monitored in 1968 and 1979 and none of the samples obtained showed any evidence of release of radioactivity. |
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| | |} | | |} |
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| − | [[category:United States Navy]][[Category:Submarines]] | + | [[Category:United States Navy]][[Category:Submarines]] |