Karson Ehrig, 21 months, of Jackson, Mich., gets his photo taken with Santa Claus at Briarwood Mall in Ann Arbor, Mich.,  Sunday, Dec. 6, 2015. Amid the dim lights and quiet of the closed shopping center, 30 families with autistic children visit Santa and Mrs. Claus (a.k.a Jim and Roxanne Albaugh)  The "Caring Santa" program is in its 5th year and parents say it is a blessing because their kids couldn't wait in often long lines amid screaming lights and noise.  (Brandy Baker/The Detroit News via AP)

3 ways to track Santa from home

When it comes to tracking Santa Claus this year, the North American Aerospace Defense Command has some competition.