Description: Warning System: Intruder Alert, Sci Fi Alarms;Space Alarms & Malfunctions

Description: Electronic Warning Signal: Constant, Sci Fi Alarms;Space Alarms & Malfunctions

Description: Electronic Warning Signal, Sci Fi Alarms;Space Alarms & Malfunctions

Description: Security alarm with vocal repeat of the word "Intruders".

Description: Another spaceship alert, critical hull breach or life support lost, incoming enemy.

Description: A big Sci-Fi spaceship alert, maybe a collision warning or losing life support.

Description: A small Sci-Fi beeping cockpit alert.

Description: 2 minutes full of synthesized futuristic beeping.

Description: A pulsing sound that one might hear inside an alien ship.

Description: Science, Space, and alien sounds calls and noises