Leader Arrival Defense Secretary James N. Mattis escorts Bahraini Crown Prince Salman bin Hamad al Khalifa up the steps to the Pentagon, Nov. 29, 2017. DoD photo by Air Force Staff Sgt. Jette Carr SHARE: Download: Full Size (1.32 MB) Credit: Air Force Staff Sgt. Jette Carr VIRIN: 171129-D-GY869-001I.JPG Photo Gallery