GROTON, Conn. (AP) — It could dive deeper than any other submarine, and when it reached the ocean floor, the one-of-a-kind Navy vessel could roll on wheels with lights illuminating the depths outside its windows.
The nuclear-powered NR-1, launched in Groton in 1969, was one of the most secretive vessels in the U.S. undersea force. It was taken out of service in 2008 and disassembled. Now the Navy has collected pieces of it for an exhibit at a submarine museum in Groton, where it was based for the duration of its service life.
It was known primarily as a research vessel, but it also carried out a range of military missions that remain under wraps even today. Veterans who served aboard the tiny sub during the Cold War say that it was one of the most fascinating assignments of their careers — but that not even their wives know all the details.
San Antonio Express-News article NR-1 Submarine, its sailors maintain Cold War secrets