13K views · 11 reactions | In this episode, Mike Roberts, team lead for structural testing at NASA's Marshall Space Flight Center, explains why testing the various structures for NASA's Space Launch System is so important to the success of the mission and its astronauts as NASA - National Aeronautics and Space Administration sets out to explore the Moon, Mars and beyond. WATCH >> go.nasa.gov/2IXAU4E | NASA Michoud Assembly Facility | Facebook