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        <title>New Horizons</title>
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   (1) Added Jupiter Ring context target reference now that it exists
   (2) Updated Investigation:stop_date and changed :name from all uppercase. 
   (3) Summarized Investigation:description and moved/edited the rest into a 
       created overview document that gives more breadth.
   (4) Updated/removed references.
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                    extracted metadata from PDS3 catalog and
                    modified to comply with PDS4 Information Model
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    <Reference_List>
        <Internal_Reference> 
            <lid_reference>urn:nasa:pds:nh_documents:mission:nh_mission_overview</lid_reference>
            <reference_type>investigation_to_document</reference_type>
            <comment>Overview document for the New Horizons mission.</comment>
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            <lid_reference>urn:nasa:pds:context:target:satellite.134340_pluto.nix</lid_reference>
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        <Internal_Reference>
            <lid_reference>urn:nasa:pds:context:target:satellite.134340_pluto.styx</lid_reference>
            <reference_type>investigation_to_target</reference_type>
        </Internal_Reference>
        <Internal_Reference> 
            <lid_reference>urn:nasa:pds:nh_documents:mission:lunineetal1995</lid_reference> 
            <reference_type>investigation_to_document</reference_type>
            <comment> 
                Lunine, J.I., D. Cruikshank, A.A. Galeev, D. Jennings, D. Jewitt, S. Linkin, 
                R. McNutt, F. Neubauer, L. Soderblom, A. Stern, R. Terrile, D. Tholen, 
                L. Tyler, and R. Yelle, Pluto Express: Report of the Science Definition 
                Team (NASA; unpublished; reconstructed and provided with the New Horizons 
                data sets starting in 2014), 1995.
            </comment>
        </Internal_Reference>
        <External_Reference>
            <doi>10.1007/978-94-017-3321-2_42</doi>
            <reference_text>
                Stern, A., and J. Spencer, New Horizons: The First Reconnaissance Mission to Bodies 
                in the Kuiper Belt, In: Davies, J.K., Barrera, L.H. (eds), The First Decadal Review 
                of the Edgeworth-Kuiper Belt, Springer, Dordrecht, 2004. 
                https://doi.org/10.1007/978-94-017-3321-2_42
            </reference_text>
            <description>Mission Description.</description>
        </External_Reference>
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    <Investigation>
        <name>New Horizons</name>
        <type>Mission</type>
        <start_date>2006-01-19</start_date>
        <stop_date>2016-10-26</stop_date>

        <description>
    The primary science goals of the New Horizons mission are to
    characterize the global geology and morphology of Pluto and Charon, to
    map the surface composition of Pluto and Charon, and to characterize
    the neutral atmosphere of Pluto and its escape rate 
    (NASA AO 01-OSS-01 (2001); Stern &amp; Spencer (2004)).
        </description>
    </Investigation>
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