Pentagon Meeting Defense Secretary James N. Mattis shakes hands with Sheikh Tamim bin Hamad Al Thani, emir of Qatar, outside the Pentagon, April 9, 2018. DoD photo by Army Sgt. Amber I. Smith SHARE: Download: Full Size (0.95 MB) Credit: Sgt. Amber I. Smith VIRIN: 180409-D-SV709-0009.JPG Photo Gallery