Two American spacewalkers will venture outside the International Space Station early today to help deliver the U.S. Harmony module and make preparations for the relocation of a huge solar array truss.
Discovery mission specialists Scott Parazynski and Douglas Wheelock are slated to exit the U.S. Quest airlock at the outpost around 6:30 a.m. EDT.
The astronauts will prepare Harmony for hoisting out of the shuttle's cargo bay and initiate work aimed at moving a 15.5-ton solar power truss from its perch atop the station to the port end of the outpost's central truss.
Parazynski and Wheelock also will retrieve a broken radio communications antenna and stow it for a return to Earth.
Check out the timeline for major mission events here in latest version -- Rev B -- of the NASA TV schedule: tvsked_revb.pdf.
The official NASA STS-120 Press Kit is here: STS-120_Shuttle_Press_Kit.pdf
You can watch all the action unfold here in The Flame Trench. Simply click the link below the image above to launch our NASA TV viewer.
The spacewalk is the first of what would be a record-tying five planned during Discovery's stay at the international station. NASA shuttle crews have performed five spacewalks during three Hubble Space Telescope in 1993, 1997 and 2002.
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