354th Fighter Wing maintainers inspect a U.S. Air Force F-16 Fighting Falcon assigned to the 18th Aggressor Squadron on the flight line at Eielson Air Force Base, Alaska, Jan. 6, 2020. The Airmen operated in a windchill factor of minus 54 degrees to ensure the F-16s were ready to depart for Sentry Aloha 20-1. (U.S. Air Force photo by Airman 1st Class Aaron Larue Guerrisky)