Airmen of the 28th Security Forces Squadron pay their respects to the fallen military working dog, Xarius, in the Freedom Chapel at Ellsworth Air Force Base, S.D., Nov. 4, 2016. When a military working dog falls in the line of duty the unit honors the fallen defender with a full retirement ceremony in memory of their service. (U.S. Air Force photo by Airman 1st Class Donald C. Knechtel)