NATO Meeting Defense Secretary Jim Mattis meets with members of the U.S. mission at NATO headquarters in Brussels, Feb. 15, 2017. DoD photo by U.S. Air Force Tech. Sgt. Brigitte N. Brantley SHARE: Download: Full Size (1.72 MB) Tags: james, brigitte brantley, department of defense, belgium, secdef, nato, pentagon, secretary, defense, james mattis, mattis, brussels, jim mattis, chaos, dod, military Credit: Brigitte N. Brantley VIRIN: 170215-D-GO396-057.JPG Photo Gallery