In this image provided by noradsanta.org, the official NORAD tracking of Santa Clause is shown on a satellite map of the world, Friday, Dec. 24, 2010. NORAD Tracks Santa, the official name of the exercise, began in 1955 when a Colorado Springs newspaper ad invited kids to talk to Santa on a hotline. The phone number had a typo, and dozens of kids wound up dialing the Continental Aerospace Defense Command in Colorado Springs, the predecessor to NORAD. (AP Photo/NORAD, via noradsanta.org)
Volunteers are pulling on their Santa hats, phone lines are set, and tracking screens are ready -- NORAD Tracks Santa is primed for its 57th annual goodwill mission.
Santa trackers start taking calls early Monday, telling children -- and some adults -- when Santa is due at their house. The last shift won't end until nearly 24 hours later.
The number is 877-HI-NORAD or 877-446-6723.
Click the links below to track the updates on the web, Facebook and Twitter.
The operation is based at Peterson Air Force Base in Colorado Springs, Colo., home of the North American Aerospace Defense Command.
NORAD Tracks Santa began in 1955 when a newspaper ad listed the wrong phone number for kids to call Santa. They wound up calling the Continental Air Defense Command, NORAD's predecessor.
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