John Thomas, NASA/Johnson Space Center (IMAGE) NASA/Johnson Space Center Caption John Thomas, lead mechanical designer for the Long Duration Sorbent Testbed investigation on the International Space Station, prepares the hardware assembly at NASA's Marshall Space Flight Center in Huntsville, Alabama. The technology study will help scientists build a more efficient life support system for flights in to deep space by testing new materials to help pull water and carbon dioxide out of the air. Credit NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.