U.S. Air Force Chief of Staff Gen. Mark A. Welsh III, prepares to depart the Creech Conference Center at Langley Air Force Base, Va., April 27, 2015. During the first day of Welsh’s tour of Langley, he was escorted by Gen. Hawk Carlisle, commander Air Combat Command, and Col.’s Kevin Huyck, 1st Fighter Wing commander, and Robert Grey, 192nd Fighter Wing commander. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)