Interplanetary Outpost : The Human and Technological Challenges of Exploring the Outer Planets Interplanetary Outpost follows the mission architecture template of NASAs plan for Human Outer Planet Exploration (HOPE) which envisions sending a crew to the moon Callisto to conduct exploration and sample return activities. To realize such a mission the spacecraft will be the most complex interplanetary vehicle ever built representing the best technical efforts of several nations. A wealth of new technologies will need to be developed including new propulsion systems hibernation strategies and revolutionary radiation shielding materials. Step by step this book will descri