General_Dynamics_Electric_Boat | parentCompany | General_Dynamics American_submarine_NR-1 | builder | General_Dynamics_Electric_Boat General_Dynamics_Electric_Boat | city | Groton,_Connecticut American_submarine_NR-1 | length | 45000.0 (millimetres)
General Dynamics is the parent company of the General Dynamics Electric Boat, which is located in Groton, Connecticut, and built the NR-1 submarine, which is 450000.0 mm millimetres long.