Air Force Chief of Staff Gen. Mark A. Welsh III hosts Maj. Jack Nelson and his family prior to Nelson receiving the 2015 Koren Kolligian Jr. Trophy at the Pentagon in Washington, D.C., May 25, 2016. Nelson, from the 9th Reconnaissance Wing at Osan Air Base, South Korea, received the award for his exceptional piloting skills and ingenuity at a moment of crisis during a mission. (U.S. Air Force photo/Andy Morataya)