US Navy Dry Dock Construction; 'Groton Shipyard', Connecticut. Electric Boat Corporation
( If videi does not play or is removed, type name of video in YouTube video-box & video will re-appear )

Video:  USS OHIO Class (SSBN); Ballistic Missile Nuclear Submarine. &&@@@Video:  USS VIRGINIA Class (SSN); Cruise Missile Nuclear Attack-Submarine.

List of videos:  Ohio Class SSBN, Ballistic Missile Nuclear Submarine  List of videos:  USS VIRGINIA Class (SSN), Cruise Missile Nuclear Attack-Submarine.
 

     SSGN - Land-Attack Cruise Missile Submarine
The nuclear powered attack submarine under construction at 'Groton Shipyard', Connecticut. 'Electric Boat Corporation', of Connecticut is the lead design authority for the New Attack Submarines