Pentagon Discussion Defense Secretary James N. Mattis speaks with reporters at the Pentagon, Jan. 5, 2018. DoD photo by Army Sgt. Amber I. Smith SHARE IMAGE: Download Image: Full Size (1.83 MB) Tags: Briefings, James N. Mattis, SecDef Photo By: Amber I. Smith VIRIN: 180105-D-SV709-0003.JPG Photo Gallery