Staff Sgt. Terrell Beasley, 1st Special Operations Security Forces Squadron military working dog handler, feels the bite of MWD Ziko during training, April 8, 2015, at Hurlburt Field, Fla. MWDs are trained to conduct multiple mission sets; their training includes obedience skills, obstacle courses and other objectives depending on the dog’s specialized skill. (U.S. Air Force photo/Airman 1st Class Ryan Conroy)