U.S. Defense Secretary Ash Carter answers questions from reporters during a joint press conference with Italian Defense Minister Roberta Pinotti after meetings with her and with Italian President Sergio Mattarella in Rome, Oct. 7, 2015. Carter is on a five-day trip to Europe to attend the NATO Defense Ministerial Conference in Brussels, and meet with counterparts in Spain, Italy and the United Kingdom. DoD photo by U.S. Army Sgt. 1st Class Clydell Kinchen