Town Hall Defense Secretary James N. Mattis conducts a town hall meeting at Mountain Home Air Force Base, Idaho, Jan. 16, 2018. Air Force photo by Airman 1st Class Jeremy D. Wolff SHARE: Download: Full Size (0.25 MB) Credit: Airman 1st Class Jeremy D. Wolff VIRIN: 180116-D-XT155-001.JPG Photo Gallery