K-9 trains to fight
Staff Sgt. Jacob Diers and Senior Airman Ivan Mendez, 92nd Security Forces Squadron Military Working Dog handlers, sweep a roadway with MWD Rosso during a ruck march May 10, 2017, at Fairchild Air Force Base, Washington. When training, the unit conducts detection sweeps of roadways and villages, ruck marches with simulated explosives and gunfire and challenging physical training in order to prevent injury. (U.S. Air Force photo/Senior Airman Mackenzie Richardson)