Boyd I. Gourneau, Chairman of the Lower Brule Sioux Tribe, performs the opening prayer at the Governors’ Interstate Indian Council assembly at Crazy Horse Memorial in Custer County, S.D., Sept. 26, 2018. Representatives from numerous states attended the 2018 GIIC assembly to discuss issues that influence the lives of Native American people across the country. (U.S. Air Force photo by Airman Christina M. Bennett)