Questions and Answers Defense Secretary Jim Mattis addresses airmen's questions during a visit to Minot Air Force Base, N.D., Sept. 13, 2017. DoD photo by Air Force Staff Sgt. Jette Carr SHARE IMAGE: Download Image: Full Size (1.45 MB) Photo By: Jette Carr VIRIN: 170913-D-GY869-380.JPG Photo Gallery