U.S. Air Force Senior Airman Paul Gonzalez, with the 627th Security Forces Squadron, scans the airfield for any threats while a C-17 Globemaster III aircraft sits parked in Kigali, Rwanda, Jan. 19, 2014. U.S. forces were dispatched to provide airlift assistance to multinational troops in support of an African Union effort to quell violence in the Central African Republic.