Drone, submarine engine noise:
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Tank drives by
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Sonar submarine
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Submarine engine noise, Drone
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Submarine torpedo launch (fast with
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Opening, closing a submarine hatch
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A shot of a tank in the distance
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Armored personnel carrier starts, moves,
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Tank movement
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Submarine engine start
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Tank awaits
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Submarine movement, Engine start
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Closing the hatch of a submarine, Opening
★★★★★