vehicle maintenance
Senior Airman Bennie Powell, 4th Logistics Readiness Squadron petroleum, oil, lubricant technician, performs a hydrostatic hose test on Seymour Johnson Air Force Base, N.C., July 20, 2009. A hydrostatic test ensures the hose will handle pressure while refueling aircraft. (U.S. Air Force photo by Airman 1st Class Gino Reyes)