GENERALS' ARRIVAL U.S. Army Gen Martin E. Dempsey, chairman of the Joint Chiefs of Staff, left, and U.S. Army Maj. Gen. Robert Abrams, right, Regional Command South Commander, arrive at the command's headquarters Zagabad Forward Operating Base, Afghanistan, Dec. 16, 2012. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 238241-C-YVU29-427.jpg Photo Gallery