U.S. Air Force Staff Sgt. Ross Dugger, a 354th Operations Support Squadron Aircrew Flight Equipment craftsman, zips up the new arctic survival seat kit for the F-35A Lighting II on Eielson Air Force Base, Alaska, Sept. 25, 2020. All of the items have to be packed tightly and efficiently to save space and fit in the cockpit. (U.S. Air Force photo by Senior Airman Beaux Hebert)