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

Description: Varying Pitches, Constant Ringing, Siren Sirens

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

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

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

Description: Warning System: Slow Yelps, Sci Fi Alarms;Space Alarms & Malfunctions

Description: Tone: Two Pitches, Medium And High, Siren Sirens

Description: Alarm Space Station Alarm. Large Area Space Station Warning Alarm.

Description: Space Alarm: Heavy Tone With Synth Siren, Repeating Space Alarms & Malfunctions