Genres: Sound Effects , Science Fiction Spacecraft
Description: engine drone.
Genres: Sound Effects , Drones
Description: wap wap pan drone.
Genres: Sound Effects , Science Fiction Electronic
Description: rumble static.
Genres: Sound Effects , Science Fiction Electronic
Description: machine pulses.
Genres: Sound Effects , Science Fiction Electronic
Description: machine whir hum.
Genres: Sound Effects , Science Fiction Electronic
Description: electric drone.
Genres: Sound Effects , Science Fiction Electronic
Description: digital scan code.
Genres: Sound Effects , Science Fiction Electronic
Description: low freq pulse.
Genres: Sound Effects , Science Fiction Weapons
Description: Laserfire.
Genres: Sound Effects , Science Fiction Spacecraft
Description: incoming UFO.