H David Froning JrH. David Froning Jr. is a 30-year verteran aerospace engineer who worked on several designs and models for future space travel propulsion. He performed research and development work for the U.S. Air Force, Boeing, McDonnell Douglas, and his own Compay, Flight Unlimited. Examples of his pioneering work include design of the configuration concept of the world's first antiballistic missiles and vertical launcher missiles that helped lead to today's vertical launching systems on naval ships. Read More Read Less