NASA Human Factors engineers working to understand launch affect on astronauts

Human Factors engineers at NASA's Johnson Space Center in Houston have already begun simulations of the first crewed launch of the Orion spacecraft on the agency's new megarocket, the Space Launch System (SLS) in a effort to understand how the SLS may affect astronaut performance. See: http://www.space.com/35452-nasa-orion-megarocket-vibration-test-photo.html