U.S. Defense Secretary Ash Carter and Italian Defense Minister Roberta Pinotti review the honor detachment at the Quirinal Palace 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