Ads
related to: air raid siren game download
Search results
Results From The WOW.Com Content Network
Civil defense siren. There are 8,200 alarm sirens for civil protection throughout Switzerland. They are tested once a year on the first Wednesday in February. [ 1 ]Sound sample ⓘ. A civil defense siren is a siren used to provide an emergency population warning to the general population of approaching danger.
Siren at the Walter P. Chrysler Museum in 2011. The Chrysler Air Raid Siren is an outdoor warning siren produced during the Cold War era that has an output of 138 dB (C) at 100 feet. It was known as the Chrysler Bell Victory Siren during its first generation, which was between the end of World War II and the fall of the Berlin Wall.
Language links are at the top of the page. Search. Search
All clear. A British air raid siren from the Second World War. All clear is the signal, generally given by a civil defence siren, which indicates that an air raid or other hazard has finished and that it is safe for civilians to leave their shelters; it is commonly used in radios as well.
Duck and cover drill in a sсhool in Brooklyn in 1962. " Duck and cover " is a method of personal protection against the effects of a nuclear explosion. Ducking and covering is useful in offering a degree of protection to personnel located outside the radius of the nuclear fireball but still within sufficient range of the nuclear explosion that ...
Strategic bombing. Tokyo after the massive firebombing attack on the night of March 9–10, 1945, the single most destructive raid in military aviation history. The Tokyo firebombing cut the city's industrial productivity by half and killed around 100,000 civilians. Strategic bombing is a systematically organized and executed attack from the ...