Astronauts Complete Second STS-131 Spacewalk

(NASA) - STS-131 Mission Specialists Rick Mastracchio and Clayton Anderson completed a seven-hour, 26-minute spacewalk at 8:56 a.m. EDT Sunday.

Using a combination of robotics and spacewalking expertise, Discovery?s crew members installed a new Ammonia Tank Assembly (ATA) on the International Space Station?s Starboard 1 truss. Mission Control verified that electrical connections with the ATA are working. Because of a troublesome bolt, the spacewalkers fell behind the timeline and were un [...]

Full story at http://spacefellowship.com/news/art19520/astronauts-complete-second-sts-131-spacewalk.html