Eyes to the front
U.S. Air Force Master Sgt. Mark Diehl, 23d Comptroller Squadron and Wing Staff First Sergeant, lectures about duties of a first sergeant at Moody Air Force Base, Ga., June 27, 2013. Diehl was one of many people to speak to this group during the three-day long First Sergeants’ Symposium. (U.S. Air Force photo by Airman Alexis Grotz/Released)