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Meeting of a submarine and an octopus at the bottom of the ocean
Submarine in action at sea
Submarine in the Arctic Ocean
Chinese submarine at sea
Frozen in the ice, the submarine breaks it with its power
BE-12 anti-submarine aircraft over water
A submarine sticking out of the water
Ship submarine pipes smoke sea waves
A nuclear submarine in a lighted night dock
Submarine black and white photo of WWII
People on a submarine at sea
The submarine was surrounded by marine life