U.S. Defense Secretary Leon Panetta walks out with Afghanistan's Defense Minister Gen. Bismillah Khan Mohammadi following their meeting in Kabul, Afghanistan, Thursday, Dec. 13, 2012. (AP Photo/Susan Walsh, Pool)

Photo by: Susan Walsh

U.S. Defense Secretary Leon Panetta walks out with Afghanistan's Defense Minister Gen. Bismillah Khan Mohammadi following their meeting in Kabul, Afghanistan, Thursday, Dec. 13, 2012. (AP Photo/Susan Walsh, Pool)