U.S. Army CH-47 Chinook pilots with the 2nd General Support Aviation Battalion, 4th Aviation Regiment, 4th Combat Aviation Brigade, 4th Infantry Division, fill a Bambi Bucket with water at Fort Carson, Colo., April 4, 2013. The pilots took water from one lake and dropped it into another to simulate putting out a wild fire without wasting any of the lake water. (U.S. Army photo by Sgt. Jonathan C. Thibault/Released)