Pentagon Meeting Defense Secretary James N. Mattis, right, and Air Force Gen. Paul J. Selva, vice chairman of the Joint Chiefs of Staff, meet with Saudi Crown Prince Mohammed bin Salman at the Pentagon, March 22, 2018. DoD photo by Navy Petty Officer 1st Class Kathryn E. Holm SHARE IMAGE: Download Image: Full Size (2.9 MB) Photo By: Petty Officer 1st Class Kathryn E. Holm VIRIN: 180322-D-HG482-0002.JPG Photo Gallery