The departure party salutes U.S. Secretary of Defense Ashton B. Carter preparing to take off in HH-60H Seahawk on Dec. 5, 2016 at Yokota Air Base, Japan. Carter stopped at Yokota during his travel to U.S. military instillations across the world, with plans to thank deployed U.S. troops for their service over the holidays. (U.S. Air Force photo by Airman 1st Class Donald Hudson/Released)