Staff Sgt. Samantha Champion, a 28th Security Forces Squadron military working dog handler, gives MWD Lezer an injection through an I.V. port at the veterinary clinic on Ellsworth Air Force Base, S.D., Dec. 4, 2018. The MWD handlers are trained to be able to administer life-saving treatment to their companions if necessary. (U.S. Air Force photo by Airman John Ennis)