NATO News Conference Defense Secretary Jim Mattis hosts a joint news conference with NATO Secretary General Jens Stoltenberg at NATO headquarters in Brussels, Feb. 15, 2017. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE: Download: Full Size (1.62 MB) Credit: Tech. Sgt. Brigitte Brantley VIRIN: 170215-D-GO396-0330A.JPG Photo Gallery