Members of the Office of the Cost Assessment and Program Evaluation listen to a briefing June 1, 2017, in the A-10 maintenance hangar at Warfield Air National Guard Base, Md. The brief was conducted by the wing commander and was the first stop of a day-long tour of the base. (U.S. Air National Guard photo by Airman Sarah M. McClanahan /Released Master Sgt. Chris Schepers)