STS-135 Spacewalkers Progressing Through Tasks

Status Report From: NASA HQ
Posted: Tuesday, July 12, 2011

image Spacewalker Mike Fossum fixed a grounding wire protruding from a Zarya module payload data grapple fixture (PDGF) that was installed on STS-134. The PDGF is a mounting position that the station's robotic arm can attach to for access to the Russian segment.

The multi-layer insulation (MLI) grounding wire was stuck in a latch door, and Fossum tucked it under Velcro tabs and put the MLI back in place. Fossum performed the same operation on a second latch door and checked the remaining two latch doors.

Spacewalker Ron Garan deployed the Optical Reflector Materials Experiment, a portion of the Materials International Space Station Experiment (MISSE) 8 that was installed on the External Logistics Carrier 2 during STS-134. He also is taking photos of the material samples. MISSE 8 will be retrieved late next year.

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