Franklin Chang-Diaz, former NASA astronaut, veteran of 7 space shuttle missions and founder of Ad Astra Rocket Company, discusses the importance of human space flight, the development of sustainable energy inspired by technology developed for space exploration and how the Ad Astra designed engines will make it cheaper, faster and more efficient to explore space than ever before.

For more information on Ad Astra Rocket Company:http://www.adastrarocket.com