U.S. Air Force Senior Airman Edwin Leyva, 8th Security Forces Squadron military working dog handler, reacts to being bitten by MWD Nex during a demonstration at Kunsan Air Base, Republic of Korea, Nov. 8, 2019. The demonstration was part of a base tour for 41 local students from Gunsan Dong High School that taught the students how MWDs are trained and their role in the U.S. Air Force. (U.S. Air Force photo by Staff Sgt. Anthony Hetlage)