STS-127 Crew Completes Second Spacewalk

Spacewalkers Dave Wolf and Tom Marshburn wrapped up a six hour, 53 minute spacewalk at 6:20 p.m. EDT.

Wolf and Marshburn completed most of their planned tasks, deferring a video camera setup to a future spacewalk. Wolf removed three hardware spares – a Ku-Band Space-to-Ground Antenna, a Pump Module and a Linear Drive Unit, from the Integrated Cargo Carrier – Vertical Light Deployable (ICC-VLD). With each spare in hand, Wolf rode the space station robotic arm from the ICC to the Port 3 external stowage platform (ESP-3), where he and Marshburn attached them for long-term storage. Julie Payette and Doug Hurley operated the robotic arm. Marshburn mounted a grapple bar onto an ammonia tank assembly so that the STS-128 space shuttle mission in August can move the tank by robotic arm. Marshburn also attached two insulation sleeves for the Station to Shuttle Power Transfer System.

This was the second of five STS-127 spacewalks, the 127th in support of International Space Station assembly and maintenance, totaling 792 hours, 31 minutes. It was the 215th American spacewalk in history. It was Wolf’s sixth spacewalk, totaling 38 hours, 44 minutes and placing him 19th on the all-time list. It was Marshburn’s first excursion.

NASA Television airs a Mission Status briefing at 8:30 p.m. with STS-127 Lead Flight Director Holly Ridings and STS-127 Lead Extravehicular Activity Officer Kieth Johnson.

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