Jim De La RosaJim De La Rosa is a retired aerospace engineer living in Tucson, Arizona. He has taught Radar electronics in the Air Force, worked for Hughes Aircraft Company, designed electronic circuits for Airborne Radar systems, designed Flight Control Systems fr Guided Missiles at North American Aviation, designed systems for the Apollo capsules that took astronauts to the moon, designed electronic systems to fly the Space Shuttle, designed systems for rockets at The Aerospace Corporation and was a Consultant Engineer. Read More Read Less