Walk And Talk Defense Secretary James N. Mattis walks with Omani Defense Affairs Minister Sayyid Badr Al Busaidi in Muscat, Oman, Mar. 12, 2018. DoD photo by Army Sgt. Amber I. Smith SHARE IMAGE: Download Image: Full Size (1.57 MB) Photo By: Amber I. Smith VIRIN: 180312-D-SV709-0116.JPG Photo Gallery