U.S. Army Chief Warrant Officer 4 Mike Eger, left, a pilot with 2nd Battalion, 135th Aviation Regiment, Colorado Army National Guard, and Chief Warrant Officer 4 Troy Parmley, a pilot with the Delta Company, 3rd Battalion, 148th Aviation Regiment, Colorado Army National Guard, fly a UH-72 Lakota helicopter over flooded areas during relief and recovery operations near Fort Collins, Colo., Sept. 18, 2013. Colorado and Wyoming National Guard units were activated to provide assistance to people affected by massive flooding along Colorado's Front Range. Colorado Guard members have evacuated about 700 people by ground and military aerial evacuations currently totaling 2,394. (U.S. Army photo by Sgt. 1st Class Jon Soucy/Released)