By Ralph Vartabedian and W.J. Hennigan, Los Angeles Times
Space shuttleÂ Atlantis rumbled like a freight train into orbit Friday in its historic last flight, lighting up a slate gray Florida sky that reflected the deep doubts about the future of the U.S. human space flight program.
The orbiter disappeared into dense clouds just 20 seconds after lifting off from theÂ Kennedy Space Center, leaving crowds who flocked to the region craning to get a final glimpse of the iconic spacecraft.
Storms across the Gulf of Mexico had threatened to delay the launch, but the skies miraculously cleared Friday morning and set up the conditions for a perfect launch for the 30-year-old program. The blastoff attracted hundreds of thousands of visitors outside the space center and politicians, celebrities, former astronauts and journalists inside.
After the shuttle had cleared the launch pad and disappeared into the sky, emotions across the space center soared, as workers who had shared careers hugged over the successful blastoff. More than a few grizzledÂ NASA veterans had tears in their eyes.
“I don’t see how anybody who comes down here to see a launch doesn’t choke up,” said Michael Moses, the shuttle’s launch integration manager.
The emotional high, however, was accompanied by renewed questions about the future of U.S. efforts in space.
Top NASA officials said the final shuttle flight was a retreat in U.S. leadership of human space flight, but marks the start of a new era that eventually will turn over routine low-Earth flights to private industry and refocus the space agency on far more difficult deep space missions.
“We are going to be going through a tough time,” acknowledged Robert Cabana, director of the Kennedy Space Center and a former astronaut. “Change is hard. [But] you can’t do something better unless you have change. We are making progress.”
But industry leaders say the space agency’s vision for the future is unclear. It has yet to disclose details of a plan to build a new heavy launch rocket, the exact destination of future missions and a formal schedule.
“The entire space community is waiting for direction from NASA,” said Jim Maser, president of Pratt & Whitney Rocketdyne of Canoga Park. “We have 50 years of hard-fought lessons learned in manned space flight that’s now at risk of being lost without a specific plan.”
Those concerns were secondary issues Friday, because NASA officials said they have a challenging 12-day mission ahead, so busy that they hope to extend the flight by one day before Atlantis makes its final landing.
The main goal of the mission was to deliver one last load of supplies that will be used over coming years. A module in the shuttle cargo hold contains 2,680 pounds of food, 4,340 pounds of spare parts and 1,780 pounds of science gear.
“They have this thing jam-packed,” said NASA spokesman Allard Beutel.
The four astronauts are scheduled to dock Sunday at the International Space Station, then spend five days unloading and stowing the cargo.
In addition, the astronauts will deploy a small, experimentalDefense Department satellite and a research payload that will test technologies for refueling spacecraft in orbit.
The launch Friday went smoothly, in part because NASA has gained so much experience dealing with glitches that became routine with such a complex system. Engineers dealt with a malfunctioning oxygen pump, a lightning strike and a balky sensor on a launch platform in the day before liftoff.
The sensor problem stopped the countdown at T-minus 31, evoking gasps from the crowd. But engineers determined quickly that the glitch was not serious and resumed the countdown, with less than one minute remaining in the launch window necessary to rendezvous with the space station.
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