Drone alien device:
-
Jetpack, approach, shutdown
-
Engine noise, Spaceship in flight
-
Stop, start, Alien device, work
-
Spacecraft control panel
-
Take-off of two spaceships
-
Spaceship, engine start, stop
-
Spaceship flies by
-
Spacecraft hatch opens, closes
-
Spacecraft door opens, closes
-
Doorbell, spacecraft signal
-
Space Station Control Room
-
The drone and the silence of an alien device
★★★★★