Luke AFB Medical Group Keeps the Mission Healthy Published July 19, 2022 By Airman Mason Hargrove 56th Medical Group Sherri Chastain, 56th Medical Group medical laboratory technologist, tests fluid samples for the flu, the common cold, and COVID-19, July 13, 2022, at Luke Air Force Base, Arizona. The 56th MDG provides routine laboratory testing, drug testing and COVID-19 testing, to active-duty service members promoting health, wellness and ensuring military readiness. (U.S. Air Force photo by Airman Mason Hargrove)