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To
provide a user-facility submillimeter-
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wave
telescope operating throughout the
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year
at the South Pole to enable in-depth
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studies
of the atomic and molecular gas
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component
of the interstellar medium,
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including
investigations of:
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the formation and
destruction of molecular clouds
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the physical and
chemical nature of
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photodissociation
regions (PDRs)
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the distribution
and properties of neutral atomic
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carbon and carbon
monoxide in the Galaxy
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the effects of
metallicity and of spiral density waves
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on atomic and
molecular clouds
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