Staff Sgt. Trenton Clark, military working dog handler assigned to the 90th Security Forces Squadron, conducts certification with his MWD at F.E. Warren Air Force Base, Wyoming, Aug. 25, 2021. Certification is where a commander observes the handler and MWD identifying explosives through a simulated environment in order to certify that the team is capable of performing duties. The process is designed for the commander to instill trust in the MWD team. (U.S. Air Force photo by Airman 1st Class Charles Munoz)