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O.C.’s Acaba on spacewalk, upgrading space station

March 20th, 2009, 7:31 pm · 1 Comment · posted by Gary Robbins, science writer-editor

Space shuttle Discovery astronaut Joseph Acaba, who grew up in Anaheim, has left the spacecraft and is performing a spacewalk with crewmate Steve Swanson.

NASA says in a statement, “At 2:38 p.m. EDT, space shuttle Discovery took over attitude control of the shuttle-station complex when the station’s Control Moment Gyroscopes (CMG) became saturated. This is no impact to the spacewalk, and once the CMGs equalize they will resume attitude control. Spacewalkers Steve Swanson and Joseph Acaba are heading back from the far left end of the space station’s truss backbone. They finished the first chore of their 6.5-hour spacewalk, loosening bolts, installing foot restraints and preparing tools so that the STS-127 spacewalkers can more easily change out the Port 6 (P6) truss batteries later this year.Swanson and Acaba now are moving inboard to the Port 3 truss to install an unpressurized cargo carrier attachment system (UCASS). The UCASS will be used to store equipment and supplies on the outside of the space station. Later in the spacewalk they will install a similar carrier on the Starboard 3 truss.”

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