U.S. Army Command Sgt. Maj. Patrick Brooks (right) with the 7th Signal Command, presents the noncommissioned officers' sword to Command Sgt. Maj. Ricky Wallace, who is the incoming senior enlisted leader of the 93rd Brigade, during a change of responsibility ceremony at Fort Eustis, Va., July 27, 2012. Traditionally, the NCO sword represents a symbol of position of responsibility over an entire unit. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)

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)