Lt. Gen. Dorothy Hogg, Air Force Surgeon General, pauses during a tour through the Heart, Lung & Vascular Center, David Grant USAF Medical Center at Travis Air Force Base, California, Feb. 10, 2020. Hogg visited with 60th Medical Group Airmen and recognized the positive impact they have on their community through their innovative medical practices. (U.S. Air Force photo by Heide Couch)