Panels re-attached.
After solving confusion with connectors, Rex Walheim and Stan Love replaced shields protecting the Columbus module, finishing work on the European laboratory.
"Thank you and take me away," said Love, who was mounted on the space station robot arm.
"What an awesome pass over Florida," Love commented later. "I'm looking right down on the (Shuttle Landing Facility)."
Apparent confusion and difficulty placing connectors on the grapple fixture delayed the spacewalkers and put them behind schedule up to 40 minutes.
The pair installed the power data grapple fixture but had trouble attaching power cables that will heat the Columbus module while it is moved to the ISS' Harmony module. About two hours remain in the spacewalk.
The 102nd spacewalk to build the ISS began at 9:13 a.m. EST and will last 6.5 hours.
Walheim wears a spacesuit with solid red bands. His helmet camera is No. 16. Love's suit has broken red stripes. His helmet camera is No. 18.
Next, the pair will prepare a nitrogen tank for installation on the ISS during Wednesday's spacewalk.
Also today, the Columbus module will be moved by the station robot arm to its berth on the space station, where it will be attached with motorized bolts. The laboratory will be opened Tuesday.
Click for STS-122 fact sheet.
Click here for the flight day 5 execute package.
Click here for the NASA-TV schedule, which details mission events.
Spacewalkers: Walheim (left) and Love
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