Shots of a tank machine gun in the distance:
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Tank machine gun shots
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Sonar submarine
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Tank movement
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Shots of a tank machine gun in the distance
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Opening, closing the hatch of a submarine
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Drone, submarine engine noise
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Soldiers talk, Tank rides by, stops
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Closing a submarine hatch, Opening
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Submarine swims past underwater
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Submarine torpedo launch
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General sounds inside a submarine
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Armored personnel carrier passes by
★★★★★