An Armed Services Blood Program member screens Senior Airman Allan Stidham, 89th Communications Squadron global communications system administrator, during a blood drive at Joint Base Andrews, Md., May 13, 2020. The blood drive was held to collect blood in support of ongoing combat operations in theater and patient care at military treatment facilities worldwide such as the Walter Reed National Military Medical Center and Malcolm Grow Medical Clinics and Surgery Center. (U.S. Air Force photo by Senior Airman Xiomara M. Martinez)