Luca Parmitano, European Space Agency (IMAGE) NASA/Johnson Space Center Caption European Space Agency astronaut Luca Parmitano, Expedition 37 flight engineer, works with a Russian Lower Body Negative Pressure (LBNP) or Chibis suit in the Zvezda service module of the International Space Station. He donned the suit to prepare for a return to gravity following a lengthy stay onboard the station. Credit NASA Usage Restrictions Credit NASA 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.