Then U.S. Air Force Staff Sgt. Eric Sonnenberg, 351st Air Refueling Squadron boom operator from Belen, N.M., guides a boom toward a NATO E-3 Sentry March 21, 2014, during a sortie over Eastern Europe. Sonnenberg was promoted through the Stripes for Exceptional Airman program Dec. 17, 2014, by U.S. Air Force Gen. Frank Gornec, U.S. Air Forces Europe and Air Forces Africa commander. (U.S. Air Force photo by Airman 1st Class Dillon Johnston/Released)