Col. Tom Walter, left, 315th Maintenance Group Commander, Joint Base Charleston, S.C. congratulates Col. William Roff, newly named Readiness and Integration Organization Commander of Detachment 8, Stuttgart, Germany, for obtaining the rank of Colonel May 15, 2020, via virtual video. The unit training assembly (UTA) was held virtually in May due to COVID-19. (U.S. Air Force photo by Senior Airman William Brugge)