Spaceship in flight, low frequency drone:
-
Jetpack, approach, shutdown
-
Space explosions
-
Spacecraft engine noise
-
Conversations of a small crowd of aliens
-
Spacecraft takeoff
-
Spacecraft landing
-
Spaceship in flight, engine noise
-
Identification, Spaceship flies by, drone
-
Doorbell, spacecraft signal
-
Low frequency drone, Spaceship in flight
-
Space station generator
-
Faulty spacecraft engine
★★★★★