Book Signing Defense Secretary Ash Carter signs the guest book before meeting with Turkish Defense Minister Fikri Işık in Ankara, Turkey, Oct. 21, 2016. DoD photo by U.S. Air Force Tech. Sgt. Brigitte N. Brantley SHARE IMAGE: Download Image: Full Size (0.93 MB) Tags: ASH Carter, Travels , SecDef Photo By: Brigitte N. Brantley VIRIN: 161021-D-GO396-044B.JPG Photo Gallery