Civil self defense exercise carried out by citizens of Spokane, Washington to meet the potential threat of nuclear bomb or hydrogen bomb attack during the Cold War. Mass evacuation by all citizens. Business area; women working at office, citizens and school children are guided to walk out and proceed to bomb shelters. Citizens standing near a bridge. A man in an operations center presses a button to sound the all clear signal at the end of the drill. Views of outdoor address loudspeakers sounding the drill sounds.
Civil defense exercise attack in Spokane, Washington. A civil defense exercise being carried out to meet the threat of Hydrogen bomb attack. Women technicians at a map as they work to locate the position of the enemy airplane during the exercise. Business center of the city being evacuated and people move out of their homes. National guards patrol the streets. People carrying umbrellas stand in a large group. Chester Brown, Chief Radio Engineer for the city, speaks on phone as the 'all clear signal' is sounded. People walk on street.