Iowa Army National Guard pilots, Chief Warrant Officer 2 Bryon Capouch and Capt. Chad Promes, Charlie Company 2nd of the 147th Aviation Battalion, Boone Iowa; pilot a UH-60 Black Hawk helicopter near South Sioux City, S.D. The Iowa Guard pilots are moving large sand bags to areas along the South Dakota-Iowa border affected by early June flood waters of the Missouri river.