Alert signal on a spaceship, drone:
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Space alien radio signal
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Lands, Spacecraft flies up
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Spacecraft door opens, closes
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Identification, drone, Spaceship flies by
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Doorbell, spacecraft signal
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Space station generator
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Charging a laser gun, shot
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Spacecraft engine jamming
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Landing,, Spaceship, exit from hyper jump
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Faulty spacecraft engine
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Take-off of two spaceships
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Electronic communication signals, distress
★★★★★