Residents are encouraged to secure their trash cans with bungee cords after their trash is picked up to prevent trash from accumulating along the Ellsworth fence line near Box Elder, S.D., March 11, 2013. Housing residents can prevent loose trash from accumulating around the base by securing their trash bags with the drawstrings pulled tight and tied. (U.S. Air Force photo by Airman 1st Class Hrair H. Palyan/Released)