U.S. Air Force Tech Sgt. Francis San Luis, a military

U.S. Air Force Tech Sgt. Francis San Luis, a military dog handler, 60th Security Forces Squadron, Travis Air Force Base, Calif., instructs U.S. Air Force Col. John Klein, Commander, 60th Air Mobility Wing, on his upcoming encounter with a military working dog. Klein recently took command of the largest wng in Air Mobility Command and was participating in his immersion with the 60th Mission Support Group, July 21, 2016. (U.S. Air Force photo by Louis Briscese)