One morning that December, U.S. Air Force Col. Harry Shoup, the director of operations at CONAD, the Continental Air Defense Command — NORAD’s predecessor — got a phone call at his Colorado Springs, Colo., office. This was no laughing matter. The call had come in on one of the top secret lines inside CONAD that only rang in the case of a crisis.
Grabbing the phone, Shoup must have expected the worst. Instead, a tiny voice asked, “Is this Santa Claus?
A Christmas tradition is born on the United States strategic defense nuclear hotline.