NASA assesses astronaut corps, considers cutbacks

Atlantis, carrying six astronauts to the International Space Station, lifts off from Kennedy Space Center in Cape Canaveral in a November 2009 launch. NASA has a 64-member astronaut corps, but the nation’s top science advisers are considering how many are really needed. The space shuttle program ends next year.

Associated Press (2009)

Atlantis, carrying six astronauts to the International Space Station, lifts off from Kennedy Space Center in Cape Canaveral in a November 2009 launch. NASA has a 64-member astronaut corps, but the nation’s top science advisers are considering how many are really needed. The space shuttle program ends next year.

WASHINGTON — With NASA's budget under pressure and the space shuttle set to retire, even the agency's most sacred cow — the 64-member astronaut corps — isn't safe from the possibility of cuts.

At the behest of the White House, the nation's top science advisers this month launched a 10-month study of the appropriate "role and size" of the astronaut corps after the final shuttle mission next year.

The study, by the National Academies, reflects two realities: NASA's budget, squeezed by congressional budget hawks and its own cost overruns, needs every penny. And, more significantly, the United States may not need all these astronauts.

"Clearly, there won't be a lot of flying going on after the shuttle goes away," said Leroy Chiao, a former astronaut and a member of the 2009 presidential commission that examined NASA's future. "It's reasonable to say the astronaut office should be smaller. How much smaller depends on … what you want these guys to be doing."

At most, three shuttle missions remain on the calendar. Two require six-member crews; a third, a potential rescue mission, has a designated crew of four. An additional 11 astronauts are preparing for long-duration stays aboard the International Space Station — and likely will get there aboard Russian Soyuz rockets.

But that still leaves more than half of the 64 current astronauts — nine more are in training — without a mission.

NASA officials said that imbalance is a matter of timing, as more than 30 additional station mission slots available through 2020 haven't been assigned yet. But critics say scientists and engineers could fill these slots without going through expensive astronaut training.

And astronauts won't be riding a new rocket beyond low Earth orbit for years.

Under a plan approved by Congress and the White House this fall, NASA's next spacecraft capable of carrying humans to the station won't be ready until 2017 at the earliest. At the same time, the agency's manned spaceflight plans are in flux. Under the Bush administration, the target was the moon by 2020. But President Barack Obama has asked NASA to aim for a first-ever trip to an asteroid by 2025.

Astronauts are expensive, notes Howard McCurdy, a space policy expert and a professor at American University; keeping them on the government payroll isn't like "maintaining a couple of extra forest rangers." But, he said, before resizing the astronaut corps, it's important to figure out its role. "The big question is: Where we are going and when?"

Joseph Rothenberg, a former NASA official and co-chairman of the National Academies study, framed the issue this way: "How do we maintain (astronaut) proficiency and make sure the capability we have doesn't erode due to idleness? At the same time, we want to make sure it (the astronaut office) is not overstaffed."

NASA officials said they base the size of the astronaut corps on a complicated series of factors that take into account everything from medical concerns to attrition rates and the skills needed for particular missions. The officials point out that the number of astronauts has dropped by more than half since a high-water mark of 149 in 2000.

Set against the rest of NASA's $18.7 billion budget, spending on the astronaut office is relatively small potatoes — in the tens of millions of dollars, though NASA wouldn't say just how much. The 47 civilian astronauts earn $65,000 to $101,000; the 17 military astronauts are paid by the Defense Department, which is reimbursed by NASA.

The major cost is for training, including the corps' fleet of T-38 trainer aircraft; a "neutral buoyancy" water tank used to train spacewalkers; and other facilities at Johnson Space Center in Houston. NASA officials also did not provide an estimate for that cost in the 2010 budget.

The National Academies investigators have been asked specifically to examine the T-38 fleet. More generally, they also will look into the role and size of the astronaut corps and the facilities used to support them.

A key obstacle to cutting the astronaut corps, noted by McCurdy and others, is the symbolism tied to a team that once put men on the moon. And NASA tries to maximize that symbolism: Astronauts made 521 public appearances in 2009 — and have made 517 so far this year, with some involving more than one astronaut, NASA records show.

U.S. Rep. Pete Olson, a Texas Republican who represents Johnson Space Center, said the corps is a "national asset" that provides more than just expertise.

"There is no budgetary savings that can pay for the loss in stature," he said.

But one budget analyst argued that even the astronauts could benefit from a sharp reduction in the corps. Rather than work for the government, ex-astronauts could find jobs with the commercial-rocket companies working to provide a U.S. alternative to Russian flights to the space station.

"There could be tremendous opportunity for them (astronauts) under private manned spaceflight," said Tad DeHaven of the Cato Institute.

Concerns about NASA's future, however, have not diminished the appeal of being an astronaut. More than 3,500 hopefuls applied for the 2009 class; the nine remaining members are expected to finish training next year.

NASA assesses astronaut corps, considers cutbacks 12/04/10 [Last modified: Monday, November 7, 2011 1:26pm]

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