Dave Ketchledge who served as a submarine Nuclear Reactor Operator, a Control Systems Test Engineer for the Nimitz Class Carriers in digital instrumentation and as an instructor in core physics and material design. Dave has over 30 years in nuclear power field in Engineering. His other works include a pair of books in Aerospace Engineering in Aerodynamics, Propulsion and RLV design. He has been a keynote speaker at the U of I AIAA chapter. For rocketry in 1993 he created the first Flight Dynamics software in Vertical Trajectory Systems which appeared in the Tripoli Journal in a 18 page article. Dave also contributed to the National Association of Rocketry on the design of multiplexed telemetry systems and in a report on Finite Element Mechanics for structural design. Dave holds two awards for his work with Computational Aerodynamics on Lifting Bodies from the NAR technical conferences. As a Nuclear Systems Engineer he is involved in radiation monitoring systems and in core instrumentation for reactor safety.