Today, October 9 2012, Felix Baumgartner will attempt a record-breaking freefall jump from 120,000 feet – 23 miles – above the earth as part of Red Bull Stratos: a mission to the edge of space.
The attempt will take place near Roswell, NM, USA, and if successful, Felix Baumgartner could be the first person to break the speed of sound with his own body, protected only by a space suit. As no one has successfully jumped from this height before, it’s uncertain what the highest supersonic freefall in history will look or feel like.
Source: YouTube
Broadcasts from http://www.redbullstratos.com starting (as far as I know) around 12.00 UTC.