Airman 1st Class Juan Galvis
Airman 1st Class Juan Galvis, 28th Contracting Squadron contract specialist, became a naturalized U.S. citizen during a ceremony at Mount Rushmore National Memorial, S.D. July 14, 2011. Originally from Bogota, Columbia, he joined the Air Force in June 2010. (U.S. Air Force photo/Tech. Sgt. Nathan Gallahan/Released)