Description: Medium-low Pitched, Pulsing Hum.

Description: Sci-fi Elements - 2 Effects; Metallic Space Door Close Or Grinds.

Description: Sci-fi Elements - 3 Effects; Metallic Grinds.

Description: Low-pitched, Ascending & Descending Swoosh ( I.e. Wind Or Spaceship By ) .

Description: Weird, Whirling, Metallic Wind Gusts.

Description: Synthesized Church Bell Steady Note.

Description: Synthesized Oscillating Pulse ( I.e. Space Movies ).

Description: Electronic Movements - 3 Effects; Servo Movements.

Description: Engine Start; Synthesized Pulsating Engine False Start.

Description: Multi-pitched, Buzzy, Scratchy UFO Take Off;;.