In this NASA Now classroom video, introduced by educator Kaci Heins from Northland Preparatory Academy, NASA astronaut Greg Johnson discusses the future of space exploration and the logical progression of sending humans to Mars. He talks about sending astronauts back to the moon and the possibility of building a lunar habitat to understand more about working and living in space.
Johnson has logged over 5,000 hours in more than 50 aircraft.
Preview of NASA Now: The Future of Space Travel