COLD WAR COLLECTION: “Civil Defense Contractor and Staff” (1956)

JUL 20 1956 Lt. Gen. Henry Larsen (right, foreground), Colorado civil defense director, and his staff are at their posts in the armory at 300 Logan St., awaiting the signal to start the Colorado phase of a nation-wide civil defense test Friday morning. At 10:48, a “red” alert set off an evacuation of civil defense personnel and city and federal workers.

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