Grund Family Pictures

Senior Airman Christopher Twitty, a ground radio maintainer with the 379th Expeditionary Communications Squadron, monitors the volume levels during the rehearsal for a change of command, 22 June, 2009, in an undisclosed location in Southwest Asia. Airman Twitty and fellow ground radio maintainers control the audio systems for all ceremonies and events that happen on base. Airman Twitty is native to Waldarf, Md. and is deployed from Seymour Johnson Air Force Base, N.C., in support of Operations Iraqi and Enduring Freedom and Combined Joint Task Force - Horn of Africa. (U.S. Air Force Photo by Staff Sgt. Joshua Garcia/released)