Chief Master Sgt. Steve McDonald, Air Combat Command command chief, addresses Airmen about the Enlisted Evaluation System and the Weighted Airman Promotion System changes during a briefing June 26, 2015, at Incirlik Air Base, Turkey. The senior leaders addressed changes that have been implemented and those that will be implemented in the coming months. (U.S. Air Force photo by Staff Sgt. Caleb Pierce/Released)