U.S. Air Force Staff Sgt. Alex Reza, 316th Security Support Squadron military working dog trainer, places a muzzle onto MWD Carlos, before conducting an aircraft- familiarization training at Joint Base Andrews, Maryland, Nov. 12, 2025. Hearing protection, eye protection and muzzles were used on the MWDs to ensure the safety of everyone during the training. (U.S. Air Force photo by Senior Airman Alexis Redin)