U.S. Air Force Tech. Sgt. John J. Williams, 354th Operations Support Squadron Aircrew Flight Equipment (AFE) flight quality assurance craftsman, packs an F-35A Lightning II survival kit at Eielson Air Force Base, Alaska, April 24, 2019. With Eielson’s first F-35 Lightning II scheduled to arrive in April 2020, AFE Airmen are working to complete the Air Force’s first arctic survival kit for the aircraft. (U.S. Air Force photo by Airman 1st Class Aaron Larue Guerrisky)