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• 일렉트릭 보트 GD 플로팅 독 코네티컷 조선소 #일렉트릭 보트 #GD #618피트 길이 The primary floating dry dock at General Dynamics Electric Boat's Groton, Connecticut Would you like to know more about the submarine classes (such as the Columbia or Virginia class) this dry blog.naver.com · 2026.07.16