PATRIOT MISSILE A Patriot missile battery sits on an overlook at a Turkish army base at Gaziantep, Turkey, Feb. 4, 2013. Deputy Secretary of Defense Ashton B. Carter visited the base, where U.S. forces helped install batteries to deter potential incursions by Syrian forces as Syria continues a two-year civil war. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 619338-C-YAC83-330.jpg Photo Gallery