Habitat Unit (IMAGE) NASA/Johnson Space Center Caption NASA astronaut Anne McClain works on setting up a Habitat Unit in the Life Sciences Glovebox for the Rodent Research 12 investigation. 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.