Arctic Gold 18-1
U.S. Air Force Senior Airman Tanner Cochran, 354th Civil Engineer Squadron electrician and a member of the Damage Assessment Response Team (DART) for exercise Arctic Gold 18-1, measures a window Oct. 25, 2017, at Eielson Air Force Base, Alaska. The DART assessed damage done to installation facilities and equipment after a mock ground attack. (U.S. Air Force photo by Airman 1st Class Isaac Johnson)