Mission Meeting Defense Secretary Jim Mattis, center left, meets with members of the U.S. mission at NATO headquarters in Brussels, Feb. 15, 2017. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE: Download: Full Size (1.4 MB) Tags: SecDef, nato, Atlantic Resolve, Inherent Resolve, Travels, JIM MATTIS Credit: Tech. Sgt. Brigitte Brantley VIRIN: 170215-D-GO396-0057A.JPG Photo Gallery