Expedition 38 crew members pose for an in-flight crew portrait in the Kibo laboratory of the International Space Station on Feb. 22, 2014. Pictured (clockwise from top center) are Russian cosmonaut Oleg Kotov, commander; Japan Aerospace Exploration Agency astronaut Koichi Wakata, Russian cosmonaut Sergey Ryazanskiy, NASA astronauts Rick Mastracchio and Mike Hopkins, and Russian cosmonaut Mikhail Tyurin, all flight engineers. Image Credit: NASA #iss #space #exp38 #nasa #spacestation #portrait, #roscosmos #jaxa