Retirement ceremony in honor of Edward K. Rishel, chemist at the Naval Air Engineering Center's Aeromaterials Laboratory. Rishel (center left) holds a certificate reading "Honorably Retired as a Civilian Employee of the…

Award ceremony in honor of Sally J. Ketcham, Metallurgist at the Naval Air Engineering Center located in Johnsville, Pennsylvania. The individuals in the photograph are identified as follows (from left): J. Hartley…

Patent award ceremony at the Aeronautical Materials Laboratory in honor of John Ohlson. The individuals in the photograph are identified as follows (from left): Bob Lamson (chemist); John Ohlson (patent award…