Drone alien device:
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Spacecraft landing
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Comet
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Rumble of a spaceship, hyper, gaining power
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Take-off of two spaceships
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Spaceship takes off, gaining power, hyper
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Distress, Electronic communication signals
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Spaceship flies by, laser gun shot
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Spacecraft crash landing
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The drone and the silence of an alien device
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Drone, identification, Spaceship flies by
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Conversations of a small crowd of aliens
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Shutdown, approach, Jetpack
★★★★★