BATTERY BASE VISIT U.S. Deputy Defense Secretary Ashton B. Carter speaks to troops as he arrives at a Turkish army base at Gaziantep, Turkey, Feb. 4, 2013. Carter visited the base to see troops and examine Patriot missile batteries installed with the help of U.S. forces to deter potential incursions by Syrian forces as Syria continues a two-year long civil war. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 165529-N-BIR97-086.jpg Photo Gallery