Mattis Meets Defense Secretary Jim Mattis, right, meets with British Defense Secretary Michael Fallon at the Ministry of Defense in London, May 10, 2017. DoD photo by Air Force Staff Sgt. Jette Carr SHARE IMAGE: Download Image: Full Size (0.96 MB) Tags: JIm Mattis, SecDef Photo By: Staff Sgt. Jette Carr VIRIN: 170510-D-GY869-1122.JPG Photo Gallery