Rivet Joint maintainers mission prep
U.S Air Force Airman 1st Class Gregory Tjernlund, left, an aircraft propulsion system technician and Airman 1st Class Raven Quiles, an electrical and environmental technician with 763rd Expeditionary Aircraft Maintenance Unit, perform routine engine maintenance at Al Udeid Air Base, Qatar, July 27, 2017. The Airmen are responsible for keeping the RC-135V/W Rivet Joint operational so it can provide near real time on-scene intelligence collection and analysis throughout the U.S. Air Forces Central Command area of responsibility. (U.S. Air Force photo by Tech. Sgt. Amy M. Lovgren)