United States president Donald Trump asked a seven-year-old boy if he still believed in Santa as he and wife Melania took phone calls from children anxious to find out Father Christmas' whereabouts on his gift-giving journey.
In its 62nd year, the Santa Tracker comes courtesy of NORAD.
NORAD says that Santa lives in a different time-space continuum, which is how he manages to deliver billions of presents in just a day.
Official NORAD Tracks Santa apps are also available in the Apple and Google Play stores, so parents and children can countdown the days until Santa's launch on their smartphones and tablets!
NORAD's Santa-tracking website, www.noradsanta.org, provides real-time animated updates of Father Christmas' mission.
The tradition began in 1955 after a Colorado Springs-based Sears Roebuck & Co. advertisement misprinted the telephone number for children to call Santa.
Colonel Harry Shoup didn't miss a beat.
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She told one caller that Santa was in the Sahara.
In 1958 CONAD became NORAD, and the tradition has continued ever since.
Since that time, NORAD men, women, family and friends have selflessly volunteered their time to personally respond to phone calls and emails from children all around the world. The president made the comments from the White House while he and the first lady, Melania Trump, fielded calls from a hotline for children wondering where Santa was.
The Defense Department is able to follow Santa's journey thanks to satellites that pick up heat from lead reindeer Rudolph's bright red nose, which "gives off an infrared signature similar to a missile launch", according to Politico magazine.
But on Santa's big night, NORAD's radar system is on alert for his take off.
There's also a selection of "Santa Cam" videos, which document such things as his initial spotting at the North Pole.
Trump told reporters after talking to the children that there was "nothing new to report" on the federal funding lapse triggered on Saturday after he and congressional Democratic leaders failed to reach agreement over money Trump wants for a US-Mexico border wall.