Keywords: US Navy 091013-N-4288H-002 Phil Chang, right, of the propulsion and power department at Naval Air Systems Command (NAVAIR), explains jet fuel analytical procedures.jpg en PATUXENT RIVER Md Oct 13 2009 Phil Chang right of the propulsion and power department at Naval Air Systems Command NAVAIR explains jet fuel analytical procedures to Rear Adm Donald Gaddis commander of the Naval Air Warfare Center Aircraft Division and assistant commander for research engineering of NAVAIR; Roger Natsuhara acting assistant secretary of the Navy for installations and environment and Rear Adm Philip Cullom director of Fleet Readiness Division U S Navy photo by Noel Hepp/Released 2009-10-13 091013-N-4288H-002 Navy http //www navy mil/view_image asp id 77675 U S Navy photo by Noel Hepp PD-USGov-Military-Navy 2009 at Naval Air Station Patuxent River Roger Natsuhara |