Dakota Testing Air Force Airman 1st Class Anna Smith, a 5th Medical Group medical technician, tests a patient for COVID-19 during the Prairie Vigilance COVID-19 exercise at Minot Air Force Base, N.D., June 9, 2020. SHARE: Download: Full Size (3.19 MB) Tags: air force, humanitarian, health, coronavirus Credit: Air Force Senior Airman Dillon Audit VIRIN: 200609-F-DJ826-1090Y.JPG Photo Gallery