A U.S. Army CH-47 Chinook and crew from the 2nd Brigade, 135th General Support Aviation, Colorado Army National Guard, perform water bucket drops over Chatfield Reservoir in Littleton, Colorado, April 17, 2021. LUH-72 Lakota, UH-60 Black Hawk, and CH-47 Chinook aircrews flew over the Denver metropolitan area as part of the annual wildland fire training conference. (U.S. Army National Guard photo by Sgt. Ashley Low)