CWO3 Robert Franklin Charlton, 86, of Maryville passed away at home Saturday, March 27, 2021 with his family by his side.  He retired from the US Army with 30 years of service.  He was preceded in death by his parents, J.A. and Mary G. Charlton; brothers, Bill and Jim Charlton; sisters, Pat Burns and Isabell Hunt.  He is survived by his wife of 65 years, Barbara R. Clure Charlton; son, Rodney M. (Wanda) Charlton of North Carolina; grandchildren, Franklin Michael (Wendy) Charlton of North Carolina and Bettina (Banks) Thomas of South Carolina; great-grandchildren, Allyson and Jaxon Charlton of North Carolina, Keely, Bella, and Charlton Thomas of South Carolina; brother, John (Judy) Charlton of Louisville, Tennessee.  Graveside service and interment will be held at 12:30 PM Thursday, April 1, 2021 at East Tennessee Veterans Cemetery.  Arrangements are with Miller Funeral Home, Maryville.