Madness of the Brave

[Boroda]

http://en.wikipedia.org/wiki/USS_O-12_%28SS-73%29
http://www.simonlake.com/html/nautilus.html

Skate or Leninskiy Komsomol later in 1950s, but this guys were insanely brave to try reaching the Pole in a used, almost "prehistoric" submarine.

"There were no suitable landing places," he said. "I think the Pole could most easily be reached by submarine."