* Based on the movie Kaitei Gunkan, which was adapted from a science fiction novel by Oshikawa Shunrou.

Get ready for a non-stop onslaught of high-tech action as metal leviathans collide in the ultimate war of super science in Super Atragon. Moments after an atomic bomb falls over Hiroshima, a secret Japanese submarine sails into battle against its American counterpart, and both are lost to history. Some fifty years later, a special UN task force sent to investigate unusual phenomena in Antarctica is threatened by a mysterious black cylinder until the re-appearance of the long lost Japanese sub. However, the incident in the Antarctic is only the first round in a cataclysmic battle of wills between two descendants of an ancient race dwelling within the Earth. Standing against them is a single, amazing ship, the RA, a Yamato-class battle sub secretly built after its supposed destruction in WWII.

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