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Submarines: Current Fleet - Research Submarines

The lanching of the USS Dolphin.
The lanching of the USS Dolphin
(Milne Special Collections and Archives Department, University of New Hampshire Library, Durham, NH).

The current fleet also includes two Research Submarines. The first, the USS Dolphin (AGSS 555), is a diesel-electric, deep-diving vessel intended for civilian and Navy research and development work. The other research submarine, the NR-1, is nuclear-powered vessel, which provides a platform for civilian and military deep-sea research, aids in engineering underwater systems, and assists in deep-sea search and recovery.

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