U.S. Air Force Airman 1st Class Dylan Goodson, 18th Civil Engineer Squadron electrical systems apprentice tightens an anchor bushing​ to secure the fiber​ reinforced polymer mat during Valiant Shield 2020 at Kadena Air Base, Japan, Sept. 22, 2020. VS enables real-world proficiency in sustaining joint forces through detecting, locating, tracking, and engaging adversary units at sea, in the air, in space, on land and in cyberspace in response to a range of mission areas. The 18th CEG’s role was to test a modified fiber reinforced polymer matting and validate proof of concept as an airfield damage repair solution compatible with agile combat employment operations. (U.S. Air Force photo by Tech. Sgt. Daniel E. Fernandez)