AFGHANISTAN ARRIVAL U.S. Defense Secretary Leon E. Panetta walks with U.S. Ambassador to Afghanistan Ryan C. Crocker and Marine Corps Gen. John R. Allen, commander of the NATO-led International Security Assistance Force, in Kabul, Afghanistan, June 7, 2012. Panetta visited Kabul to meet with NATO and Afghan leaders and to speak with troops on the ground. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 368846-L-RWB08-063.jpg Photo Gallery