Lucien Junkin, chief engineer of the space exploration vehicle at NASA, says he's "been at NASA for almost 30 years now," and "this is the peak of excitement that we've had." An inside tour of NASA's Johnson Space Center robotics design area: https://abcn.ws/2UPpKB4 | This Week

This is the future of space tourism. | CNBC

Future Space Travel Technologies Discovery Documentaries 2015