They moved into what they called a “Prevail Drill,” a twenty-round course of fire developed by one of their University of Montana professors who had been a Special Forces Project Delta sniper in Vietnam. The six stages varied from five to twelve yards and included standing, kneeling, single hand, and dual target engagements under a specified time tracked by a shot timer. Anything outside the “ten zone” meant failure and was intended to indicate they would have died in a real-world gunfight. Both operators put all twenty shots in the kill box.
