COVID-19 Meeting U.S. Air Force Col. Heather Yun, Deputy Commander for Medical Services, Brooke Army Medical Center, answers COVID-19 questions during a video teleconference with Argentine Army doctors, Oct. 21, 2020. SHARE IMAGE: Download Image: Full Size (1.92 MB) Photo By: Robert A. Whetstone, U.S. Army VIRIN: 201021-A-TJ752-1027M.JPG Photo Gallery