SHAW AIR FORCE BASE, S.C. -- Tech. Sgt. Domingo Muniz, 20th Component Maintenance Squadron aerospace propulsion craftsman, shows Qatari air force officers an augmenter for an F-16 jet engine March 28, 2011. Qatar Emiri air force officers toured Shaw Air Force Base, S.C., to see how the installation does its various missions. (U.S. Air Force photo/Airman 1st Class Tabatha Duarte)