NASA astronauts Chris Cassidy (left) and Karen Nyberg; along with European Space Agency astronaut Luca Parmitano, all Expedition 36 flight engineers, pose for a photo in the Unity node of the International Space Station.
ISS036-E-015477 (7 July 2013) — NASA astronauts Chris Cassidy (left) and Karen Nyberg; along with European Space Agency astronaut Luca Parmitano, all Expedition 36 flight engineers, pose for a photo in the Unity node of the International Space Station.