Retired McDonnell Aircraft Engineers who designed and built the NASA Mercury, Gemini Capsules, known as the iconic, “Mercury Six” continue to share their brilliance and dedication that sent us to the Moon in a decade. For nearly four years, these gentlemen continue to volunteer, working hard labor hours weekly renovating, wiring, and building the Space Museum’s Grissom Center in Bonne Terre, MO. Learn about their passion to keep Missouri’s rich history of Space Exploration alive for future generations. Meet engineer/museum owner/director, Earl Mullins whose private impressive collection of rare NASA space artifacts morphed into a dream come true, while becoming “family” with like-minded souls on a new monumental mission.