South Dakota Gov. Dennis Daugaard thanked the Airmen of Ellsworth Air Force Base, past and present, for the vital role they have played in our nation’ defense, during a 70th Anniversary Celebration Dinner in Rapid City, S.D., May 19, 2012. The event began with a social hour, followed by dinner and addresses by Daugaard and Air Force Chief of Staff, Gen. Norton Schwartz. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)