Michelle Evans is the founder of Mach 25 Media and is an aerospace writer, photographer, and education specialist. She served in the U.S. Air Force working on nuclear missiles, is the producer of several documentaries about space exploration, and is a contributor to Space Daily, Space.com, and Ad Astra. Joe H. Engle was the eighth pilot of the X-15 research aircraft and flew sixteen rocket plane missions. He later orbited the earth as the commander of the space shuttle Columbia and again with Discovery. Michelle is the author of the award winning 2013 book, "The X-15 Rocket Plane: Flying the First Wings into Space (Outward Odyssey: A People's History of Spaceflight)."