In the Harmony node of the Earth-orbiting International Space Station, NASA astronaut Rick Mastracchio, Expedition 39 flight engineer, prepares culture chambers for an experiment.
ISS039-E-018462 (5 May 2014) –– In the Harmony node of the Earth-orbiting International Space Station, NASA astronaut Rick Mastracchio, Expedition 39 flight engineer, prepares culture chambers for an experiment.