Practice for Hubble Servicing Mission 4 (IMAGE) NASA/Goddard Space Flight Center Caption Astronauts from NASA's shuttle Atlantis, STS 125 practice maneuvers around the outside of the Hubble mock-up in the Neutral Buoyancy Lab. 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.