Tank movement:
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Shots of a tank machine gun in the distance
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Submarine movement, Engine start
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Cannon shot, Tank movement, machine gun
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Several tanks approach, maneuver in the mud
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Alarm, Alarm, submarine alarm
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Opening, closing the hatch of a submarine
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Submarine floats to the surface
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Submarine engine start
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An armored personnel carrier approaches,
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Surface movement, Submarine engine starting
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Armored personnel carrier is approaching,
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Sonar submarine
★★★★★