Thunderbirds prepare to wow Travis crowd Published Aug. 1, 2011 By Airman 1st Class Joshua Crane 60th Air Mobility Wing Public Affairs TRAVIS AIR FORCE BASE, Calif. -- The U.S. Air Force Thunderbirds prepare to wow the crowd July 31 with a display of air power at the 2011 Team Travis Air Power Expo. For more photos see the Travis AFB facebook page. (U.S. Air Force photo/Joshua Crane)