Alarm, alarm, submarine alarm:
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Opening, closing a submarine hatch
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Submarine engine start
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Moves,, Armored personnel carrier starts
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Tank turret rotation
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Alarm, submarine alarm, alarm
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Engine start, submarine movement
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Sonar submarine
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Catapult moves on a dirt road
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Shots of a tank machine gun in the distance
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Tank machine gun shots
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A shot of a tank in the distance
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An armored personnel carrier approaches,
★★★★★