"The siren tone that we heard on Saturday, this week, is what we call the attack mode. So, it would have been the tone that would have been used during an air raid during the Cold War, or the one ...

The air raid siren produces a particularly distinctive ... Meanwhile, for some background on the Cold War HF relics, have a read about numbers stations.

Sirens were first used as a warning system for civil defense and became commonplace in the United States during the Cold War when they were sounded to warn citizens of air raids or nuclear attacks.

Air-raid siren sounds the warning. Air-raid sirens first sounded the warning in London in September 1939. They became an almost daily part of life in the capital a year later during the height of ...

The sound of air raid sirens echoing around the city was a common one during the Cold War and for many of those who lived ...

AIR-RAID SIREN ALAN: This is an air-raid shelter that was used during the war by… ISABEL: If a bombing raid happened when Grandad was at school the whole class was sent to an air-raid shelter.