Keywords: military working dog militaryworkingdog k-9 k9 673rd security forces squadron 673rdsecurityforcessquadron joint base elmendorf-richardson jointbaseelmendorfrichardson alaska united states unitedstates us indoor U.S. Air Force Staff Sgt. Kelley Szydlo and military working dog, Chase, assigned to the 673rd Security Forces Squadron, prepare to enter a room while searching for simulated hidden explosives during their annual certification at Joint Base Elmendorf-Richardson, Alaska, Oct. 14, 2016. Completion of annual certification training ensures that the military working dog teams maintain their skills and operational readiness. (U.S. Air Force photo/Alejandro Peña) U.S. Air Force Staff Sgt. Kelley Szydlo and military working dog, Chase, assigned to the 673rd Security Forces Squadron, prepare to enter a room while searching for simulated hidden explosives during their annual certification at Joint Base Elmendorf-Richardson, Alaska, Oct. 14, 2016. Completion of annual certification training ensures that the military working dog teams maintain their skills and operational readiness. (U.S. Air Force photo/Alejandro Peña) |