Navigators 2nd Lt. Tammy Wajer, Capt. Julie Glass, Capt. Justin Hutchins and Maj. Tirso Pena walk to a C-130 Hercules transport aircraft parked on the ramp of the 120th Airlift Wing in Great Falls, Mont. Sept. 15, 2016. Glass and Pena were training Wajer and Hutchins in navigation techniques in the aircraft. (U.S. Air National Guard photo by Senior Master Sgt. Eric Peterson)
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