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David Mindell: Obama’s
NASA Proposal - More Human-Robotic Space Exploration
February 8, 2010
In 2008, David Mindell, the Frances and David Dibner Professor of the
History of Engineering and Manufacturing; professor of aeronautics and
astronautics; and director of MIT’s Program in Science, Technology, and
Society, was the lead author of an independent review of the future of
the U.S. human spaceflight program. Among the report’s many
recommendations were that the nation set loftier goals for humans in
space, focus research more clearly toward those goals and increase
cooperation with other nations and private industry.
David Mindell
In an interview, Mindell responds to the Obama administration’s recent
budget proposal for NASA. The proposal would increase the agency’s
budget but would cancel the Constellation program, which was intended to
send humans to the moon by 2020, and would also rely on the commercial
sector to ferry astronauts to the International Space Station.
Q. Some observers have said President Obama’s 2010 budget proposal marks
the demise of U.S. human space exploration. Do you agree?
A. I don’t agree. First of all, we have to remember that humans have not
been exploring space beyond low-Earth orbit for nearly 40 years already,
so the so-called demise actually began in the 1970s. Moreover, the
program that was canceled, Constellation, was simply not viable,
financially and possibly otherwise. The Augustine commission reported
last fall that NASA needed at least $3 billion more per year to achieve
even modest goals in the next 20 years, and in this political
environment there is no stomach for that. So the best it would have done
would be muddle along, cost a great deal, and likely get people hurt
along the way. The Augustine commission also laid out a “flexible
option,” which the Obama budget is seeking to follow, which makes for a
more sensible, forward-looking policy, thinking in new ways about what
constitutes exploration. Space exploration will certainly be different
if this policy (i.e., budget) goes through. There will be more focus on
new technologies within NASA, and the private sector is being ramped up
in a big way to contribute.
In the history of American technology, it’s often been the case that the
federal government tends to support radical new technologies (e.g.
interchangeable parts in the 19th century, computers in the 20th
century) for about 40 years to help them get off the ground before
turning them over to the private sector to take hold. There’s a good
case to be made that government-funded human spaceflight has grown
conservative and bureaucratic; it’s time to see how private industry
will do and what other models might work. We don’t know how well they’ll
do, but we can only know by trying.
Q. Under the proposal, NASA’s budget would receive an additional $6
billion over the next five years. Is this enough funding for NASA to
meet Obama’s stated goal for it to focus on developing radically new
space technologies?
A. It’s hard to tell in terms of absolute numbers; spaceflight is
expensive, but $6 billion is a lot of money, especially when combined
with whatever’s freed up from Constellation and from retiring the
shuttle. There are a lot of exciting, practical ideas out there about
operating in space, like learning to refuel on orbit and to fly
autonomously, that are waiting to be tried. Constellation had
short-circuited many such ideas in a rush to get something built. NASA
had canceled essentially all of its advanced technology development work
(both in-house and supporting places like MIT), eating its seed corn for
Constellation.
Q. If Obama’s proposal is implemented, how different would NASA look
five years from now?
A.
The Obama proposal is a very clear statement that NASA should be an
advanced technology development agency for spaceflight, not just a
government-run airline for space or a manager of rocket-building
projects. Moreover, NASA has been too hesitant to investigate radical
combinations of human and robotic in its explorations, and this budget
also will push the agency in those directions, which should prove very
valuable. For example, a recent NASA press release mentioned the
possibility of telerobotic rovers on the moon. In my opinion, it was
simply ridiculous to talk about sending people back to the moon without
first doing the best exploration possible with telerobotics. Look at
what’s been done on Mars, where the time delays, available power,
bandwidths and everything else are so much more difficult than on the
moon. Yet I still can’t walk into my local science museum, or a lunar
geology lab at MIT, and drive around a remote rover on the moon. In five
years, we should be able to do that, and we should be able to send our
students and our faculty on short, sub-orbital privately run flights for
their research. |