It's Christmas Eve! And that means jolly old St. Nick has got the sleigh prepped, the reindeer ready and is currently off on his journey around the world to deliver presents to all the good boys and g...

For 70 years, that’s been the tradition at the North American Aerospace Defence Command (NORAD) — a joint US and Canadian operation charged with monitoring the skies for threats since the Cold War.

Thanks to cutting-edge technology, you'll soon be able to follow Father Christmas as he drops off gifts to children across the globe.