A crest of the Nevada Test and Training Range (NTTR) is displayed in a hallway at the NTTR headquarters building at Nellis Air Force Base, Nevada, Sept. 23, 2020. The NTTR provides warfighters a flexible, realistic and multi-dimensional battlespace to conduct testing tactics development, and advanced training in support of U.S. national interests. (U.S. Air Force photo by Airman 1st Class Dwane R. Young)