Airman 1st Class Abdiel Hilerio Arvelo, 555th Fighter Squadron F-16 Fighting Falcon crew chief, salutes a U.S. Air Force F-16 pilot during Falcon Strike 21 (FS21) at Amendola Air Base, Italy, June 7, 2021. FS21 is a joint, multinational exercise designed to provide aircrew training through fourth-and-fifth-generation integration. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)
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