U.S. Air Force Staff Sgt. Alexis Krippel, a military working dog handler with the 316th Security Support Squadron, embraces MWD Cchango after presenting him with the Meritorious Service Medal during his retirement ceremony at Joint Base Andrews, Maryland, Aug. 6, 2025. Cchango, who was adopted by Krippel, earned the award after completing more than 2,500 hours of explosive detection work and supporting 45 Secret Service and State Department missions. (U.S. Air Force photo by Senior Airman Daniel Walderbach)