american_submarine_nr-1 | shipbeam | 38 m <tsp> american_submarine_nr-1 | shiplaunch | 1969-01-25 <tsp> american_submarine_nr-1 | topspeed | 8334 <tsp> american_submarine_nr-1 | builder | general_dynamics_electric_boat <tsp> american_submarine_nr-1 | shipdraft | 46 m <sep> deep submergence vessel nr-1 was a unique united states navy (usn) nuclear-powered ocean engineering and research submarine, built by the electric boat division of general dynamics at groton, connecticut nr-1 was launched on 25 january 1969, completed initial sea trials 19 august 1969, and was home-ported at naval submarine base new london nr-1 was the smallest nuclear submarine ever put into operation the vessel was casually known as 'nerwin' and was never officially named or commissioned the us 
general dynamics electric boat co. built the american submarine nr-1. which has a ship beam of 3.8 m. a top speed of 8.334 km/h. a ship draft of 4.6 m. and was launched on january 25. 1969.submarine was built by m general dynamics electric boat m