Description: Mayday distress call from radio with radio noise.

Description: Mayday distress call from radio with radio noise.

Description: Mayday distress call from radio.

Description: Mayday distress call from radio.

Description: Mayday distress call from a radio.

Description: Science Fiction spoken in dramatic deep voice.

Description: Science Fiction spoken in dramatic deep voice with effects.

Description: The word “Space” spoken in a deep voice.

Description: The word “stop” spoken in male voice x 2.