Fixing A Coolant Loop In Earth Orbit
Astronaut Rick Mastracchio On an EVA
NASA
NASA astronaut Rick Mastracchio participates in the first Expedition 38 spacewalk designed to troubleshoot a faulty coolant pump on the International Space Station.
He was joined by NASA astronaut Mike Hopkins while four crewmates representing Roscosmos and the Japan Aerospace Exploration Agency remained inside the orbital outpost.
ISS038-E-019360 (21 Dec. 2013)
