iss056e126552 (Aug. 2, 2018) --- Expedition 56/57 crew members (clockwise from top) Astronaut Alexander Gerst of ESA (European Space Agency), NASA astronaut Serena Auñón-Chancellor and Roscosmos cosmonaut Sergey Prokopyev, pose for a portrait inside the Bigelow Expandable Aerospace Module (BEAM). BEAM was installed on the International Space Station's Tranquility module on April 16, 2016 after being launched aboard the SpaceX Dragon cargo craft on April 8, 2016.