The mission to send submarines wired with self-destruct charges into the heart of Soviet seas to tap crucial underwater telephone cables.
How the Navy's own negligence may have been responsible for the loss of the USS Scorpion, a submarine that disappeared, all hands lost, in 1968.
The bitter war between the CIA and the Navy and how it threatened to sabotage one of America's most important undersea missions.
The audacious attempt to steal a Soviet submarine with the help of eccentric billionaire Howard Hughes, and how it was doomed from the start.