Spacewalk Scheduled for Today
Discovery astronaut Danny Olivas and ISS crewmember Nicole Stott will venture outside the International Space Station later today on their mission’s first spacewalk. The spacewalk is scheduled to begin at 5:49 p.m. EDT. The two astronauts main task will be the removal of an old ammonia coolant tank that cools the systems on the ISS. The tank is scheduled to be replaced on Thursday.