Inflatable jumping castles and slides were set up for people attending the 28th Force Support Squadron “When Nature Calls” event at Heritage Lake Park on Ellsworth Air Force Base, S.D., June 23, 2012. The event, designed to get people outside and enjoy the outdoors, also consisted of a session of yoga, a 5k fun run, a fishing derby and a canoe race. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)