Air Force Staff Sgt. Benjamin Reynolds, a response force leader assigned to the 891st Missile Security Forces Squadron, crouches in rotor wash in the Turtle Mountain State Forest, North Dakota, Feb. 14, 2018, during a field training exercise. During the exercise, 91st Security Forces Group defenders coordinated simulated medical evacuations with two 54th Helicopter Squadron UH-1N Iroquois helicopters.

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