Sound Check
Airman 1st Class Ross O'Donnell, 4th Communications Squadron ground radio apprentice, sets up a wireless microphone for a retirement at Seymour Johnson Air Force Base, N.C., July 17, 2009. Airman O'Donnell recently graduated after five months of technical school training at Keesler Air Force Base, MS. (U.S. Air Force photo by Airman 1st Class Rae Perry)