U.S. Deputy Defense Secretary Ashton B. Carter holds up a unit coin after handing out his own coins to U.S. soldiers on a Turkish army base in Gaziantep, Turkey, Feb. 4, 2013. U.S. Deputy Defense Secretary Ashton B. Carter holds up a unit coin after handing out his own coins to U.S. soldiers on a Turkish army base in Gaziantep, Turkey, Feb. 4, 2013. SHARE IMAGE: Download Image: Full Size (2.05 MB) Tags: Photo Essays Photo By: VIRIN: 666546-U-SMX42-302.jpg Photo Gallery