U.S. Air Force Staff Sgt. Michael Montez, 555th Aircraft Maintenance Unit F-16 Fighting Falcon crew chief, puts screws into an F-16 Fighting Falcon assigned to the 555th Fighter Squadron in preparation for Falcon Strike 21 (FS21) at Amendola Air Base, Italy, June 4, 2021. FS21 is an Italian air force-led multinational military training exercise designed to enhance fourth-and-fifth-generation fighter integration, combat readiness and fighting capability. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)