U.S. Defense Secretary Leon Panetta waves goodbye as he departs Rome en route to Vincenza, Italy on Thursday, Jan. 17, 2013. (AP Photo/Jacquelyn Martin)

Photo by: Jacquelyn Martin

U.S. Defense Secretary Leon Panetta waves goodbye as he departs Rome en route to Vincenza, Italy on Thursday, Jan. 17, 2013. (AP Photo/Jacquelyn Martin)