Shin Kaitei Gunkan
Super Atragon
OVA·2 episodes·Finished airing·6.32
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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. (Source: ANN)