U.S. Army Command Sgt. Maj. Ricky Wallace, with the 93rd Signal Brigade, addresses the audience during a change of responsibility ceremony at Fort Eustis, Va., July 27, 2012. Members of the 93rd Signal Brigade welcomed Wallace to the brigade, as they said farewell to Command Sgt. Maj. Joseph J. McKinnon. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)