Red Bull Stratos
The balloon lifts up during the second manned test flight for Red Bull Stratos in Roswell, N.M., on July 25, 2012. Red Bull Stratos is a mission to the edge of space to an altitude of 37.000 meters to break several records, including the sound of speed in freefall. The Red Bull Stratos exhibit will be on display at the National Museum of the U.S. Air Force from Jan. 24-March 16, 2014. (Photo courtesy of Red Bull Stratos)