
NASA astronaut Chris Cassidy, Expedition 36 flight engineer, is pictured in the Harmony node of the International Space Station.

Luca Parmitano works with free-flying satellites known as Synchronized Position Hold, Engage, Reorient, Experimental Satellites, or SPHERES.

NASA astronaut Chris Cassidy wears a Russian Sokol launch and entry suit.

Luca Parmitano works with free-flying satellites known as Synchronized Position Hold, Engage, Reorient, Experimental Satellites, or SPHERES.

Astronauts Karen Nyberg, Chris Cassidy and Luca Parmitano pose for a photo in the Destiny laboratory.

Luca Parmitano works with free-flying satellites known as Synchronized Position Hold, Engage, Reorient, Experimental Satellites, or SPHERES.

European Space Agency astronaut Luca Parmitano, Expedition 36 flight engineer, works in the Columbus laboratory of the International Space Station.

Astronaut Luca Parmitano closes the hatch in the vestibule between the International Space Station and the HTV-4.

Astronauts Luca Parmitano and Karen Nyberg close the hatches between the Harmony node and the HTV-4.

European Space Agency astronaut Luca Parmitano, Expedition 36 flight engineer, works in the Columbus laboratory of the International Space Station.