Mike Harris and his sister Tina Colon, children of Ms. Eunice Harris, pose with their mother's medallion after she was posthumously inducted into the Air Force Technical Applications Center's Wall of Honor May 26, 2021. Harris served more than 31 years in civil service, with 20 of those years as the administrative assistant to AFTAC's senior scientist at the Department of Defense's sole nuclear treaty monitoring center. (U.S. Air Force photo by Matthew S. Jurgens)