SPANGDAHLEM AIR BASE, Germany – Staff Sgt. Tonya Tubbs, 52nd Medical Operations Squadron aerospace medical technician, explains the procedures of Spangdahlem’s prevenative health assessment to Brig. Gen. Michael Miller, assistant surgeon general of Strategic Medical Plans, Programs and Budget, and Chief of the Medical Service Corps at the Office of the Surgeon General, April 13. General Miller visited Spangdahlem during his tour of U.S. Air Forces in Europe medical facilities. (U.S. Air Force photo/Senior Airman Benjamin Wilson)