Press Briefing Defense Secretary Jim Mattis answers questions from reporters during a flight to South Korea, Feb. 1, 2017. Mattis is traveling to Seoul and Tokyo for meetings with his counterparts. DoD photo by Army Sgt. Amber I. Smith SHARE: Download: Full Size (0.88 MB) Credit: Amber I. Smith VIRIN: 170201-D-SV709-0063.JPG Photo Gallery