Highly decorated NASA astronauts and retired U.S. Navy Captains, Mark and Scott Kelly continue to secure their place in history as true American heroes, laying the ground work for the future of space travel and exploration. From NASA's twin study and Scott's historic year in space, to flying in combat and personal reflections on dealing with tragedy, to entertaining stories only a sibling could (or would) reveal, the Kelly brothers' perspective and lessons on courage, leadership, innovation and teamwork will leave you inspired and motivated.