much. ♪ ♪ jon: the fox 411. norad's santa tracker is drawing some heat. it's a holiday online favorite with children tracking old st. nick on christmas eve, but some advocates for children are now raising concerns about santa's new travel companions because they're fighter jets. julie banderas is here to explain. >> reporter: yeah. they're interesting high-tech reindeer. by now, of course, you've explained that santa's sleigh is guided by rue rudolph's shiny nose, but this year on the norad deinnocence command -- defense command site you're going to explain why his nose won't be doing the guiding. santa is tracked by a surveillance plane and at one point escorted by fighter jets. norad's test flight to track santa is big red one while