Brady Rusk, 12, hugs Eli at a retirement and adoption ceremony at Lackland Air Force Base, Texas. The bomb-sniffing Labrador retriever was assigned to Brady's older brother, Marine Pfc. Colton Rusk, 20, who was killed in action in Afghanistan by Taliban sniper fire Dec. 5. The Department of Defense granted the Rusk's permission to adopt Eli and allow him to join their family. (Tech. Sgt. Bennie J. Davis III/U.S. Air Force)