Gary O. Sletto,76, of Draper/Vivian passed away on Tuesday, June 7 at the VA Medical Center in Sturgis, S.D. A visitation will be held on Tuesday, June 14, from 5:00-7:00 p.m. at the Vivian Lutheran Church followed by a 7:00 p.m. prayer service. Funeral services will be held at 1:00 p.m. on Wednesday, June 15, at the Vivian Lutheran Church with burial to be held on Thursday, June 16 at Black Hills National Cemetery near Sturgis, S.D.