U.S. Air Force Chief of Staff Gen. Mark A. Welsh III, holds a question and answer session during a lunch at Langley Air Force Base, Va., April 27, 2015. During his lunch with staff from Air Combat Command, Welsh answered questions on a variety of topics, such as the Post 9/11 GI Bill and retirement plans. (U.S. Air Force photo by Senior Airman Kayla Newman/Released) (Photo was cropped and sharpened to emphasize subject.)