WALK AND TALK U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, and U.S. Marine Corps Gen. John R. Allen, commander of U.S. and international forces in Afghanistan, talk as they walk to the force's headquarters in Kabul, Afghanistan, Feb. 9, 2012. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 625278-A-VBV14-634.jpg Photo Gallery