(CNN) The guessing days are over.

The North American Aerospace Defense Command and its top-notch radar system will tell you when to get your cookies and milk ready for Santa's arrival.

For 63 years, the organization otherwise tasked with detecting aerospace activity has turned its attention to Santa Claus on Christmas Eve -- tracking his sleigh and nine reindeer as they glide through the night to every child's house -- well, the ones he's deemed good for the year.

It's a tough task, but NORAD says they are the "only organization that has the technology, the qualifications and the people to do it."

And even if the federal government has shut down, NORAD announced Friday they'll continue to track Santa's journey. Military personnel and more than 1,500 volunteers will field calls on Santa's location and continue the decades-old tradition.

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