Twenty seven years as a Mechanical Design Engineer of aerospace structures and hardware, industrial process machine systems, and Systems Engineering for Requirements Definition and Generation for advanced space architectures. Have previously designed mechanisms, mechanical systems, fluid systems, and supporting structures on flight hardware, ground test hardware, and propulsion systems for payloads and various launch vehicles all done to ANSI, ASME, ISO and MIL-STD specifications. Have provided Engineering Design Support of research and development efforts for bipropellant liquid, monopropellant liquid and monopropellant gaseous, and liquid-solid and gaseous-solid hybrid rocket propulsi...