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| | USS Dolphin (AGSS 555) - Navy Ships |
 | | USS Dolphin (AGSS 555), homeported at the Naval Research and Development (NRaD) facility in San Diego, is the Navy's only operational, diesel-electric, deep-diving, research and development submarine. |
 | | Dolphin can also maintain more extensive onboard laboratory facilities than her deep submersible counterparts. |
 | | USS Dolphin is the Navy's deep diving submarine designed to test advanced submarine structures, sensors, weapons, communications, and machinery systems. |
| www.fas.org /man/dod-101/sys/ship/agss-555.htm (666 words) |
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