U.S. Air Force Airman 1st Class Jeremiah Garfoyle, 633rd Logistic Readiness Squadron refueling operator, monitors fuel pressures and flow rates during a Hydrant Mobile Refueler procedure at Langley Air Force Base, Va., Sept. 13, 2012. Langley is the first base to have the HYMORE system attached to its R-11 fuel trucks and perform the procedure, which could revolutionize flight line operations. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)