News Conference Defense Secretary James N. Mattis holds a news conference at NATO headquarters in Brussels, June 8, 2018. DoD photo by Air Force Tech. Sgt. Vernon Young Jr. SHARE IMAGE: Download Image: Full Size (0.66 MB) Tags: European Security, European Command, Eucom, James N. Mattis, SecDef, NATO Photo By: TSgt Vernon Young Jr. VIRIN: 180607-D-IO684-132Y.JPG Photo Gallery