Now available in A format, a breathtaking adventure story about the NR-1, one of America's most secret Cold War weapons One of the most closely guarded mysteries of the Cold War is revealed in this book. The fast-paced adventure narrative follows the creation, construction and clandestine Cold War operations of the smallest nuclear-powered sub in the US Navy, a one-of-a-kind ship so secret that it wasn't even given a name. It is a true story of covert operations, imminent danger, personal bravery, technological wonder and historic discovery in a deep underwater environment never before patrolled by mankind. Lee Vyborny developed and served on the NR-1 and is uniquely qualified to write about the smallest Cold War warrior of them all, whose very existence was denied for years and whose missions have never been Discussed, and the rich and varied characters associated with her.