Door of a Thermal Vacuum Chamber (IMAGE) NASA/Goddard Space Flight Center Caption The door of a thermal vacuum chamber at NASA's Goddard Space Flight Center in Greenbelt, Maryland, closed behind the ATLAS box structure (an instrument for the ICESat-2 mission) on Feb. 5, 2015, after final checks from the thermal, electrical, fiber-optics, mechanical, contamination, instrument and quality assurance teams, among others. Credit Credits: NASA Goddard/Kate Ramsayer 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.