actually appeared in the video. norad began tracking santa in 1955 when a newspaper listed the wrong number for children to call santa, so they ended up calling norad's predecessor, the continental air defense command. now thousands of volunteers work at the command center every christmas eve to answer phone calls from all those curious kids wanting to know where santa is. jon: if the internet had been there when i was a kid, i would have said, cool! >> reporter: yeah, i'm sure. i think kids will think it's cool. i'm going to explain to, you know addison this year that it's to keep santa safe. jenna: that's a nice addition to the story. jon: simple enough. julie, thank you. jenna: wow, what a controversy over santa. well, tensions flaring over china's controversial air defense zone. speaking of fighter jets, a progress report by president biden's trip to beijing and a look at what could happen next. also, the mustang at 50. ford debuting the latest model