Shuttle Begins Arduous Mission ; 1 Weeks of Work on Space Station

Oct 24, 01:23 PM

Current Headlines: By MARCIA DUNN, THE ASSOCIATED PRESS

CAPE CANAVERAL, Fla. Shuttle Discovery and its crew of seven thundered into orbit Tuesday, setting off on the most challenging space station construction mission yet, one that will pave the way for the arrival of two science labs in a few months.

NASA pulled off the on-time launch the third one in a row after determining that a small patch of ice on fuel tank plumbing posed no danger. Indeed, most if not all of the ice harmlessly shook loose when the booster rockets and engines ignited.

The rain clouds that had been forecast for days stayed away for the late morning launch.

"We got lucky today. We could have just as easily gotten unlucky," said launch director Mike Leinbach. "But as I tell my team, there's nothing wrong every now and then with a little good luck."

With Discovery safely in orbit, NASA looked ahead to all the work awaiting the astronauts once they arrive at the international space station on Thursday. It is considered the most complicated mission in the nine years of station assembly in orbit.

During their 1-week station visit, the astronauts must install a live-in compartment that they're bringing along, relocate a giant girder and set of solar wings, extend those solar wings and radiators, and test a thermal tile repair kit.

In all, five spacewalks are planned, which will be the most ever conducted while a shuttle is docked at the station.

The three space station residents face even more construction chores after the shuttle leaves, each one of them critical.

NASA's space operations chief, Bill Gerstenmaier, said the two crews face a tremendous series of challenges, but noted, "I can't think of a better start to this mission than what we got today."

In a historic coincidence, both the shuttle and station have women at the helm. Retired Air Force Col. Pamela Melroy is only the second woman to command a shuttle, and biochemist Peggy Whitson is the first female skipper of a space station.

At least six pieces of foam insulation came off Discovery's fuel tank during liftoff, but because that occurred after the crucial first two minutes, the debris posed no risk to the shuttle.

NASA has paid extra attention to launch debris ever since the 2003 Columbia disaster. A hole in the wing brought down Columbia, the result of a strike by a slab of fuel-tank foam.

Discovery's primary payload is the Italian-built compartment, about the size of a small bus. An Italian astronaut making his first space flight, Paolo Nespoli, is personally delivering the chamber, named Harmony by schoolchildren who took part in a national competition. About 130 of those youngsters were on hand for the launch.

Also looking on was "Star Wars" director and writer George Lucas. Flying on Discovery is the light-saber used by the character Luke Skywalker in 1983's "Return of the Jedi."

Europe and Japan's laboratories will hook up to Harmony.

The European lab, named Columbus, is targeted for a Dec. 6 launch. The Japanese lab should follow in two segments in February and April.

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