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A warship drifting at sea
Chinese submarine at sea
Coastal warship at sea
A floating ship at sea, sailors on a hike
Soldiers at sea on a command boat
Nimitz-class aircraft carrier at sea
Royal Navy Destroyer at sea
Nimitz - class aircraft carrier at sea
Japanese light cruiser at sea
Painting of a warship at sea
Drawing of a warship at sea
Nuclear submarine at sea
