Defense Secretary Leon E. Panetta (right) talks to reporters on board his plane while headed to Kuwait on Monday, Dec. 10, 2012. Mr. Panetta will meet with U.S. troops as part of a visit to thank them for their service. (AP Photo/Susan Walsh, Pool)

Photo by: Susan Walsh

Defense Secretary Leon E. Panetta (right) talks to reporters on board his plane while headed to Kuwait on Monday, Dec. 10, 2012. Mr. Panetta will meet with U.S. troops as part of a visit to thank them for their service. (AP Photo/Susan Walsh, Pool)