U.S. Air Force Senior Airman Andrew Delvo shouts directions

U.S. Air Force Senior Airman Andrew Delvo shouts directions to Master Sgt. Cody Chick, both of the 219th Security Forces Squadron, during a training exercise at a missile alert facility in the Minot Air Force Base missile field complex, near Minot, N.D., June 15, 2017. They are members of the North Dakota Air National Guard training and working seamlessly, side-by-side with U.S. Air Force active duty security forces members of the 91st Missile Wing as they maintain security standards in the missile fields. (U.S. Air National Guard Photo by Senior Master Sgt. David H. Lipp/Released)