Airman 1st Class Darren Raines, 22nd Security Forces Squadron military working dog handler, participates in a MWD demonstration at McConnell Air Force Base, Kan., May 2, 2019. The 22nd SFS held multiple demonstrations for Maj. Gen. Sam Barrett, 18th Air Force commander, to show what their purpose is and how they protect the base. (U.S. Air Force photo by Senior Airman Alan Ricker)