A STORY ABOUT AN AMERICAN SUBMARINE CREW'S BATTLE AGAINST TIME AND THEIR OWN FEARS, WHILE CARRYING OUT A DARING MISSION TO CAPTURE A TOP-SECRET ENCRYPTING DEVICE FROM A NAZI U-BOAT. SPECAIL FEATURES: DIRECTOR COMMENTARY, DOLBY 5.1 AND DTS SOUND, INSIDE THE ENIGMA, THEATRICAL TRAILER AND MUCH MORE.