Boris, a 28th Security Forces Squadron military working dog, takes a defensive stance during a MWD demonstration in recognition of National Police Week at the 28th SFS K-9 Facility on Ellsworth Air Force Base, S.D., May 16, 2019. National Police Week is held in honor of the many law enforcement officers who have died while serving in communities nationwide. (U.S. Air Force photo by Airman 1st Class Christina Bennett)