Dec 24, 2012 9:12 PM by NORAD
Santa Claus has taken off from the North Pole and the North American Aerospace Defense Command (NORAD) is tracking his every move.
NORAD has been responsible for tracking Santa for more than 50 years.
It uses four high-tech systems to track Santa including radar, satellites, Santa Cams and fighter jets.
Tracking Santa starts with the NORAD radar system called the North Warning System. This powerful radar system consists of 47 installations strung across the northern border of North America. On December 24th, NORAD monitors the radar systems continuously for indications that Santa Claus has left the North Pole.
The moment that radar indicates Santa has lifted off, NORAD uses a second detection system. Satellites positioned in geo-synchronous orbit at 22,300 miles from the Earth's surface are equipped with infrared sensors, which enable them to detect heat. Amazingly, Rudolph's bright red nose gives off an infrared signature, which allows satellites to detect Rudolph and Santa.
The third tracking system is the Santa Cam network. NORAD began using it in 1998. Santa Cams are ultra-cool, high-tech, high-speed digital cameras that are pre-positioned at many locations around the world. NORAD only uses these cameras once a year. The cameras capture images and videos of Santa and his reindeer as they make their journey around the world.
The fourth system is made up of fighter jets. Canadian NORAD fighter pilots flying the CF-18 fighter jets intercept and welcome Santa to North America. In the United States, American NORAD fighter pilots in either the F-15, F-16 or the F-22 get the thrill of flying alongside Santa and his famous reindeer: Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donner, Blitzen and, of course, Rudolph.
Track Santa using the map below or get more information on NORADSanta.org
15 hours ago