Mattis Flies Over Afghanistan Defense Secretary Jim Mattis flies over Afghanistan, Sept. 27, 2017. Mattis testified before Congress Oct. 30 on the Authorizations for Use of Military Force, the authorities under which the U.S. engages in the fight against terrorism. DoD photo by Air Force Staff Sgt. Jette Carr SHARE IMAGE: Download Image: Full Size (1.79 MB) Tags: JIm Mattis, SecDef, Afghanistan Photo By: Jette Carr VIRIN: 170927-D-GY869-0160.JPG Photo Gallery