Last updated on April 17, 2014 at 1:21 EDT

Latest Specialists Rick Mastracchio Stories

2010-04-13 10:00:00

Space shuttle Discovery Mission Specialists Rick Mastracchio and Clayton Anderson completed the replacement of a depleted ammonia coolant tank on the International Space Station, finishing the complex three-spacewalk process. Today's 6-hour, 24-minute spacewalk began at 1:14 a.m. CDT, almost an hour ahead of schedule. Mastracchio's first task was to hook up fluid lines of the new 1,700-pound tank, a task that had been postponed from Sunday's spacewalk after delays in bolting that tank in...

2010-04-09 10:23:13

Discovery Mission Specialists Rick Mastracchio and Clayton Anderson wound up a 6-hour, 27-minute spacewalk at 6:58 a.m. CDT after helping move a new 1,700-pound ammonia tank from Discovery's cargo bay to a temporary parking place on the International Space Station. It was the first of three spacewalks planned during the STS-131 mission. During the spacewalk, which began at 12:31 a.m., the two astronauts also retrieved an experiment from the Japanese Kibo Laboratory exposed facility and...