20th MDG welcomes new commander
U.S. Air Force Col. Derek O’Malley, 20th Fighter Wing commander, left, gives the 20th Medical Group (MDG) guidon to Lt. Col. Christian Lyons, 20th MDG incoming commander, during a change of command ceremony at Shaw Air Force Base, S.C., June 15, 2018. Airmen assigned to the 20th MDG provide outpatient care to approximately 31,000 eligible service members, retirees and families. The group’s four squadrons offer services such as family and pediatric health, optometry, dental care, radiology and pharmacy. (U.S. Air Force photo by Airman 1st Class Kathryn R.C. Reaves)