Rhonda Ray and her husband, Gen. Tim Ray, Air Force Global Strike Command commander, use a Geiger counter during a radioactive material identification demonstration at the 28th Medical Group on Ellsworth Air Force Base, S.D., May 26, 2021. The 28th Medical Group is committed to providing quality medical care to military members, retirees and dependents. The group conducts regular exercises to maintain readiness. (U.S. Air Force photo by Airman 1st Class Jonah Fronk)