Felix Baumgartner makes skydive record attempt
14 October 2012 Last updated at 17:23 BST
Austrian skydiver Felix Baumgartner is hoping to become the first person to break the sound-barrier without a vehicle.
He is jumping from a balloon at more than 120,000ft (36.5km) above Roswell, New Mexico, while testing a custom-made suit that should protect him from the extreme cold and low air pressure.
This is broadcast with a delay