NACA Engineer
Engineer, Heat Transfer Section, Flight Systems Division (Mercury Program)
Retrofire Officer, Mission Control (Mercury, Gemini, and Apollo Programs)
Engineer/Chief, Earth Applications Section, Lunar/Earth Experiments Branch, Flight Operations (Apollo and Skylab Programs)
Systems Engineer, Large Area Crop Inventory Experiment (LACIE) Office, Science and Applications Directorate
Engineer, Payload Integrations and Operations Office, STS Operations Program Office (Space Shuttle Program)
