U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, leaves the headquarters for the NATO-led Resolute Support mission after receiving an update from command leaders in Kabul, Afghanistan, July 19, 2015. U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, leaves the headquarters for the NATO-led Resolute Support mission after receiving an update from command leaders in Kabul, Afghanistan, July 19, 2015. SHARE: Download: Full Size (1.992909 MB) Tags: Photo Essays Credit: VIRIN: 210700-R-KAR74-769.jpg Photo Gallery