RE-ENLISTING IN AFGHANISTAN U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, conducts a re-enlistment ceremony for U.S. Army Staff Sgt. James Kelly on Bagram Airfield in Afghanistan, Aug. 21, 2012. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 555081-E-AEF36-934.jpg Photo Gallery