News Conference Defense Secretary Jim Mattis hosts a news conference at NATO headquarters in Brussels, Feb. 16, 2017. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE IMAGE: Download Image: Full Size (1.81 MB) Photo By: Tech. Sgt. Brigitte Brantley VIRIN: 170216-D-GO396-0348A.JPG Photo Gallery