U.S. Air Force Staff Sgt. Zachary Zistl and Staff Sgt. Douglas Fields pose for a portrait at Joint Base Langley-Eustis, Virginia, May 21, 2021. Aviation Maintenance Technician Day was first declared a holiday by the Federal Aviation Administration in 2001 and was made official by a Congressional vote in 2008. (U.S. Air Force photo by Senior Airman Alexandra Singer)