U.S. Air Force Staff Sgt. Zachary Zistl, 27 Fighter Squadron dedicated crew chief poses for a portrait at Joint Base Langley-Eustis, Virginia, May 21, 2021. The 1st Maintenance Group and the Virginia Air National Guard’s 192nd Maintenance Group both enable air superiority and are prepared for deployment at a moment’s notice through training for real-world scenarios and maintaining the world’s premier fifth-generation fighter. (U.S. Air Force photo by Senior Airman Alexandra Singer)