Secretary Briefing Defense Secretary James N. Mattis speaks with reporters at the Pentagon, Feb. 8, 2018. DoD photo by Air Force Tech Sgt. Vernon Young Jr. SHARE IMAGE: Download Image: Full Size (0.53 MB) Tags: Briefing , James N. Mattis, SecDef Photo By: Tech Sgt. Vernon Young Jr VIRIN: 180208-F-IO684-118.JPG Photo Gallery