Ellsworth Airmen to bike across Iowa
Riders take a break from the Ride Across South Dakota bike tour in Caputa, S.D., June 4, 2017. The RASDAK entails 516 miles, but the first day encompasses a gradual elevation change of 2000 miles in 74 miles starting from Rapid City to the Badlands National Park. (U.S. Air Force photo by Airman Nicolas Z. Erwin)