Bikes are secured outside the Borglum Hall dormitory at Ellsworth Air Force Base, S.D., Sept. 9, 2013. Airmen residing in the base dormitories are able to sign out and use one of 10 bicycles re-purposed under the Borrow-A-Bike program free of charge. (U.S. Air Force photo by Senior Airman Yash Rojas/Released)