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{{Short description|Proposed module/Unity static test article for the International Space Station}} |
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[[File:ISS Node STA.jpg|thumb|The Node STA in the [[Space Station Processing Facility]] during 2010]] |
[[File:ISS Node STA.jpg|thumb|The Node STA in the [[Space Station Processing Facility]] during 2010]] |
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'''Node 4''', also known as the '''Docking Hub System''' ('''DHS'''), |
'''Node 4''', also known as the '''Docking Hub System''' ('''DHS'''), is a proposed module of the [[International Space Station]] (ISS). [[NASA]] is considering a 40-month design and development effort for Node 4 that would result in its launch in late 2013.<ref name=NasaSpaceflight>{{cite web|last=Bergin|first=Chris|title=Soyuz TMA-19 relocated as ISS managers discuss Node 4 addition|url=http://www.nasaspaceflight.com/2010/06/soyuz-tma-19-relocated-iss-discuss-node-4-addition/|work=NasaSpaceflight.com|accessdate=4 March 2011}}</ref> |
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Node 4 would |
Node 4 would be built using the Node Structural Test Article (STA) and docked to the forward port of the [[Harmony (ISS module)|Harmony module]]. The Structural Test Article was built to facilitate testing of ISS hardware and was intended to become Node 1. However, during construction, structural design flaws were discovered. The under-construction Node 2 was renamed Node 1 and the STA (ex-Node 1) was put into storage at the Kennedy Space Center (KSC).<ref>http://www.spaceref.com/iss/elements/node2.html</ref> |
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Since |
Since [[Space Shuttle program]] has been terminated, should a decision to build and launch Node 4 be taken, it could be launched by an [[Atlas V]] or [[Delta IV]] rocket.<ref name="NasaSpaceflight" /> |
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In December 2011 [[Boeing]] proposed using Node 4 as the core of an [[Exploration Gateway Platform]] to be constructed at the [[ISS]] and relocated via [[space tug]] to an Earth-Moon [[Lagrange point]] (EML-1 or 2). The purpose of the platform would be to support lunar landing missions with a reusable [[Apollo Lunar Module|lunar lander]] after the first two [[Space Launch System|SLS]] flights. It would also satisfy the need for a L1 [[propellant depot]] for lunar missions. Other hardware would include an airlock, an 'international module', and a [[MPLM]] based habitat module.<ref> |
In December 2011 [[Boeing]] proposed using Node 4 as the core of an [[Exploration Gateway Platform]] to be constructed at the [[ISS]] and relocated via [[space tug]] to an Earth-Moon [[Lagrange point]] (EML-1 or 2). The purpose of the platform would be to support lunar landing missions with a reusable [[Apollo Lunar Module|lunar lander]] after the first two [[Space Launch System|SLS]] flights. It would also satisfy the need for a L1 [[propellant depot]] for lunar missions. Other hardware would include an airlock, an 'international module', and a [[MPLM]] based habitat module.<ref>http://www.nasaspaceflight.com/2011/12/exploration-gateway-platform-hosting-reusable-lunar-lander-proposed/</ref> |
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In June 2020 the Node STA was moved from the [[Space Station Processing Facility]] to the [[Shuttle Landing Facility]] to make room for commercial partners.<ref>{{cite web|author=Frank Michaux |url=https://images.nasa.gov/details-KSC-20200720-PH-FMX01_0039/ |title=STA Node Move From SSPF |publisher=images.nasa.gov |date=2020-07-20 |access-date=2020-10-29}}</ref> |
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== See also == |
== See also == |
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==External links== |
==External links== |
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{{commonscat|Node 4 module|Node 4}} |
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* [http://nasatech.net/Node101110/ Hi-res spherical panorama inside the Node 4 module exterior shell located in the SSPF, Nov 10, 2010]{{Dead link|date=March 2024 |bot=InternetArchiveBot |fix-attempted=yes }} |
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{{ISS modules}} |
{{ISS modules}} |
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[[Category:2013 in spaceflight]] |
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[[Category:Components of the International Space Station]] |
[[Category:Components of the International Space Station]] |
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[[Category:Proposed spacecraft]] |
[[Category:Proposed spacecraft]] |
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[[bg:Възел 4]] |
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[[fr:Node 4 (ISS)]] |
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[[ja:ノード4]] |
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