Parents and guardians will also want to ensure their children are in bed before Santa arrives so he stops and makes his much-anticipated delivery.

Volunteers will share Santa's location on Facebook and Twitter, and last year, Santa got 1.6 million Facebook likes.

Preparations start in November for the busy shift, according to Staff Sergeant Kyle Kelly.

'We have to test every phone before we bring it in here,' he said.

Preparations start in November for the busy shift, according to Staff Sergeant Kyle Kelly. Here, highly trained experts follow the live action on a big screen, normally used by the US Air Force, to keep children updated on Santa's whereabouts on the phone and via Twitter