Canoe race contestants board their vessels at the start of the canoe races during the 28th Force Support Squadron “When Nature Calls” event at Heritage Lake Park on Ellsworth Air Force Base, S.D., June 23, 2012. The canoe race was one of many activities designed to get people outside and enjoying the outdoors. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)