75-year-old Vietnam veteran Donald Edwin Mueller Sr. of Hillsboro (formerly of Collinsville, Staunton and Bunker Hill) passed away on Friday (September 1) .  Funeral services for 75-year-old Donald Mueller Sr will be held Thursday (September 7) at 5:00 p.m., at Calvary Baptist Church in Hillsboro. Visitation will be held on Thursday, from 3:30 p.m. to 5:00 p.m..  Military rites will be held immediately following the service, by the Department of Defense, at the church.  Bass Patton Dean Funeral Home is in charge of arrangements.