Bill Pratt, Lockheed Martin NextSTEP program manager, left, NASA Administrator Jim Bridenstine, center, and Kennedy Space Center Director, Bob Cabana, right, walk through the Space Station Processing Facility High Bay to the Lockheed Martin Gateway habitat prototype, after an event about NASA’s progress toward sending astronauts to the Moon and on to Mars, Monday March 11, 2019 at Kennedy Space Center in Florida. For information on NASA's Moon to Mars plans, visit: www.nasa.gov/moontomars Photo credit: (NASA/Aubrey Gemignani)