EVA 24

ISS038-E-019462 (21 Dec. 2013) --- Seen near the hatch to the Quest airlock, NASA astronauts Mike Hopkins (left) and Rick Mastracchio participate in the first Expedition 38 spacewalk designed to troubleshoot a faulty coolant pump on the International Space Station. Four crewmates representing Roscosmos and the Japan Aerospace Exploration Agency remained inside the orbital outpost during the work.