Expedition 38 crew members pose for an crew portrait in the Kibo laboratory of the International Space Station.

Expedition 38 crew members pose for an in-flight crew portrait in the Kibo laboratory of the International Space Station. Pictured on the bottom row are Russian cosmonaut Oleg Kotov (center), commander; NASA astronaut Mike Hopkins (left) and Russian cosmonaut Sergey Ryazanskiy, both flight engineers. Pictured on the top row (from the left) are Japan Aerospace Exploration Agency astronaut Koichi Wakata, Russian cosmonaut Mikhail Tyurin and NASA astronaut Rick Mastracchio, all flight engineers.