This aerial image, taken from a Colorado Army National Guard UH-60 Black Hawk helicopter, shows flooded areas in Boulder County, Colo., Sept. 18, 2013. Colorado and Wyoming National Guardsmen and U.S. soldiers with the 4th Combat Aviation Brigade supported civil authorities for flood evacuations and operations. Colorado and Wyoming National Guard units were activated to provide assistance to people affected by massive flooding along Colorado's Front Range. (U.S. Army National Guard photo by Staff Sgt. Jecca Geffre/Released)