Welsh champions communication, airpower in Air Force update
Air Force Chief of Staff Gen. Mark A. Welsh III presents the annual Air Force Update keynote address at the Air Force Association's 2013 Air & Space Conference and Technology Exposition Sept. 17, 2013, in Washington, D.C. Welsh presented the Air Force update on the second day of the three-day, 55-session conference covering various topics pertaining to the total force (U.S. Air Force photo/Michael J. Pausic)