Iroquois Hoist Airmen hoist Staff Sgt. Pedro Mangual-Rivera up to a UH-1N Iroquois helicopter during rescue hoist training at Camp Gilbert C. Grafton near Devils Lake, N.D., July 20, 2017. Mangual-Rivera is assigned to the 219th Security Forces Squadron, North Dakota Air National Guard. Air National Guard photo by Senior Master Sgt. David H. Lipp SHARE: Download: Full Size (0.51 MB) Credit: Senior Master Sgt. David Lipp VIRIN: 170720-Z-WA217-1240Y.JPG Photo Gallery