U.S. Air Force Col. Matthew Altman, Joint Base Langley-Eustis installation commander, clears a M240B machine gun during an Agile Combat Employment exercise at Joint Base Langley-Eustis, Virginia, May 16, 2024. Altman participated in the ACE exercise to lead from the front in demonstrating the importance of ACE training for Airmen of all ranks. (U.S. Air Force photo by Staff Sgt. Bennett Hibbler, Jr.)