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the decision to establish an american

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the decision to establish an american
 

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the decision to establish an american
space station in the 1990s has had some

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space station in the 1990s has had some
 

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space station in the 1990s has had some
exciting consequences

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exciting consequences
 

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exciting consequences
in particular there is renewed interest

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in particular there is renewed interest
 

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in particular there is renewed interest
in using the space station to help us

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in using the space station to help us
 

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in using the space station to help us
return to the moon in order to build a

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return to the moon in order to build a
 

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return to the moon in order to build a
permanent lunar base

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america's exploration of the moon ended

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america's exploration of the moon ended
 

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america's exploration of the moon ended
12 years ago with the flight of apollo

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12 years ago with the flight of apollo
 

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12 years ago with the flight of apollo
17.

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17.
 

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17.
astronauts cernan and schmidt

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astronauts cernan and schmidt
 

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astronauts cernan and schmidt
successfully completed a series of three

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successfully completed a series of three
 

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successfully completed a series of three
evas and brought back 250 pounds of

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evas and brought back 250 pounds of
 

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evas and brought back 250 pounds of
lunar rock samples

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lunar rock samples
 

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lunar rock samples
during the 12 years following apollo 17

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during the 12 years following apollo 17
 

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during the 12 years following apollo 17
nasa's goals for long-term space

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nasa's goals for long-term space
 

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nasa's goals for long-term space
exploration have been redefined

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exploration have been redefined
 

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exploration have been redefined
at a recent scientific conference in

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at a recent scientific conference in
 

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at a recent scientific conference in
washington dc plans for a manned lunar

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washington dc plans for a manned lunar
 

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washington dc plans for a manned lunar
base were discussed in the post space

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base were discussed in the post space
 

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base were discussed in the post space
station era

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station era
 

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station era
the lunar base is one of the more

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the lunar base is one of the more
 

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the lunar base is one of the more
obvious

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obvious
 

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obvious
of the bold exciting goals we can reach

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of the bold exciting goals we can reach
 

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of the bold exciting goals we can reach
through the space station doorway

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through the space station doorway
 

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through the space station doorway
the goal of a loader base has long been

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the goal of a loader base has long been
 

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the goal of a loader base has long been
our vision

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our vision
 

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our vision
the exploration and settlement of the

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the exploration and settlement of the
 

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the exploration and settlement of the
space frontier is going to occupy the

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space frontier is going to occupy the
 

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space frontier is going to occupy the
creative thoughts and the creative

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creative thoughts and the creative
 

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creative thoughts and the creative
energies of major portions of

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energies of major portions of
 

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energies of major portions of
generations for the indefinite future

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generations for the indefinite future
 

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generations for the indefinite future
with the success of the space shuttle in

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with the success of the space shuttle in
 

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with the success of the space shuttle in
providing new space capabilities

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providing new space capabilities
 

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providing new space capabilities
transportation scientific facilities and

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transportation scientific facilities and
 

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transportation scientific facilities and
satellite launch retrieval and repair we

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satellite launch retrieval and repair we
 

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satellite launch retrieval and repair we
are ready for the next step into space

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are ready for the next step into space
 

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are ready for the next step into space
a manned space station

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a manned space station
 

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a manned space station
the space station will serve as a

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the space station will serve as a
 

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the space station will serve as a
staging area for other major space

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staging area for other major space
 

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staging area for other major space
activities on the moon and beyond

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activities on the moon and beyond
 

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activities on the moon and beyond
all this technology we will have

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all this technology we will have
 

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all this technology we will have
with the space station takes us

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with the space station takes us
 

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with the space station takes us
virtually to the moon we see

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virtually to the moon we see
 

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virtually to the moon we see
the first base the very first thing to

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the first base the very first thing to
 

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the first base the very first thing to
go down will probably be something very

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go down will probably be something very
 

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go down will probably be something very
much like space station modules which

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much like space station modules which
 

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much like space station modules which
will be carted to the surface and buried

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will be carted to the surface and buried
 

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will be carted to the surface and buried
the transportation system will be such

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the transportation system will be such
 

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the transportation system will be such
that there will be largely unmanned

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that there will be largely unmanned
 

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that there will be largely unmanned
vehicles

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vehicles
 

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vehicles
derivatives of orbital transfer vehicles

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derivatives of orbital transfer vehicles
 

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derivatives of orbital transfer vehicles
that will go from earth orbit to lunar

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that will go from earth orbit to lunar
 

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that will go from earth orbit to lunar
space and then a lander which will go

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space and then a lander which will go
 

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space and then a lander which will go
between orbit and the surface of the

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between orbit and the surface of the
 

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between orbit and the surface of the
moon

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moon
 

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moon
the moon may become an important source

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the moon may become an important source
 

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the moon may become an important source
of raw materials for use in space

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of raw materials for use in space
 

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of raw materials for use in space
this lunar base concept shows a vehicle

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this lunar base concept shows a vehicle
 

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this lunar base concept shows a vehicle
mining lunar surface material

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mining lunar surface material
 

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mining lunar surface material
moon rocks are more than half oxygen and

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moon rocks are more than half oxygen and
 

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moon rocks are more than half oxygen and
could supply this vital component for

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could supply this vital component for
 

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could supply this vital component for
sustaining a lunar base and a space

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sustaining a lunar base and a space
 

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sustaining a lunar base and a space
transportation system

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transportation system
 

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transportation system
other important elements aluminum

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other important elements aluminum
 

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other important elements aluminum
titanium silicon and iron also exist in

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titanium silicon and iron also exist in
 

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titanium silicon and iron also exist in
quantity on the moon

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quantity on the moon
 

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quantity on the moon
the lunar base would serve as a

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the lunar base would serve as a
 

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the lunar base would serve as a
springboard for spacecraft to explore

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springboard for spacecraft to explore
 

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springboard for spacecraft to explore
our solar system

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our solar system
 

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our solar system
the moon also provides scientists

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the moon also provides scientists
 

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the moon also provides scientists
excellent conditions for astronomy no

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excellent conditions for astronomy no
 

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excellent conditions for astronomy no
atmosphere frequent periods of total

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atmosphere frequent periods of total
 

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atmosphere frequent periods of total
darkness and low amounts of radio noise

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darkness and low amounts of radio noise
 

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darkness and low amounts of radio noise
if a commitment is made for a manned

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if a commitment is made for a manned
 

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if a commitment is made for a manned
lunar base in the 21st century then it

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lunar base in the 21st century then it
 

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lunar base in the 21st century then it
is nasa's hope to make it an

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is nasa's hope to make it an
 

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is nasa's hope to make it an
international effort for all to benefit