Editing Science Power Platform

{{short description|Cancelled ISS module}}
[[Image:ISS Science Power Platform.png|thumb|right|350px|ISS Science Power Platform (NASA)]]

The '''Science Power Platform''' ('''SPP'''; {{langx|ru|Научно-Энергетическая Платформа}}, ''Sci-Energy Platform'', also known by Russian initialism '''NEP''') was a planned [[Russia]]n element of the [[International Space Station]] (ISS) that was intended to be delivered to the ISS by a Russian [[Proton (rocket)|Proton rocket]] or [[Zenit (rocket)|Zenit rocket]] (it was originally designed to be part of [[Mir-2]]) but was shifted to launch by [[Space Shuttle]] as part as a tradeoff agreement on other parts of the ISS.

==History==
It would have provided additional power for the ISS as well as roll axis control capability for the orbital facility. If the Science Power Platform had been delivered to the ISS, it would have been attached to the zenith port of [[Zvezda (ISS module)|''Zvezda'']], a position currently occupied by [[Poisk (ISS module)|''Poisk'']]. The SPP would have had eight solar arrays and a robotic arm provided by the [[European Space Agency]] (ESA) dedicated to maintaining the SPP.

The SPP's robotic arm ([[European Robotic Arm]]) was still added and is currently a part of the station, and launched together with the Russian [[Nauka (ISS module)|''Nauka'' Multipurpose Laboratory Module]] on 21 July 2021, after many delays.<ref name="AWST20201026">{{cite web|url=https://aviationweek.com/sites/default/files/2020-10/AWST_201026_2.pdf|title=ISS turns 20|publisher=Aviation Week and Space Technology (AWST)|date=26 October 2020|access-date=30 October 2020}}</ref><ref>{{Cite web|date=2021-07-05|title=Dutch robotic arm finally reaches into space|url=https://www.dutchnews.nl/news/2021/07/dutch-robotic-arm-finally-reaches-into-space/|access-date=2021-07-20|website=DutchNews.nl|language=en-GB}}</ref><ref>{{Cite web|title=European Robotic Arm is launched into space|url=https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/European_Robotic_Arm_is_launched_into_space|access-date=2021-07-21|website=www.esa.int|language=en}}</ref>

An agreement was reached in March 2006 by the Russians and NASA in order to provide part of the power the Russian segments need from the four American solar arrays. Originally the SPP should have made the power supply of the four Russian modules independent from the power supply of the rest of the station. The already-made pressurised hull of a static test article for this component is now being used for the Russian [[Rassvet (ISS module)|Mini Research Module 1]], which launched on [[STS-132]] in 2010. ''Rassvet'' is docked to the ''Zarya'' nadir port.

RKK Energia, the manufacturer of the [[Russian Orbital Segment]] components, has proposed something similar to the original ISS plan with the addition of a [[Prichal (ISS module)|nodal module]] (with six docking ports) and two additional science/energy modules called [[International Space Station#Science Power Modules 1 and 2 (Repurposed Components)|Science Power Module 1 and 2]] to the segment around 2013-2015.<ref>{{cite web|url=http://www.space-travel.com/reports/Russia_Needs_Billions_More_To_Complete_Its_ISS_Segment_999.html|title=Russia Needs Billions More To Complete Its ISS Segment|publisher=Space-Travel.com|accessdate=2009-01-29|date=14 April 2008}}</ref><ref>{{cite web|url=http://www.novosti-kosmonavtiki.ru/content/numbers/306/index.shtml|title=Program for Development of the Russian ISS Segment|publisher=Novosti Kosmonavtiki|author=Sergei Shamsutdinov|date=July 2008|accessdate=2009-02-15|language=Russian|archiveurl=https://web.archive.org/web/20110606065940/http://www.novosti-kosmonavtiki.ru/content/numbers/306/11.shtml|archivedate=6 June 2011}}</ref> The Science Power Modules would perform similar functions and would have [[solar array]]s similar to the SPP, but unlike it the [[Integrated Truss Structure|truss structure]] would be much smaller. As of 2021, the Science Power Module(s) (unknown whether one or two modules) is still being considered, but nothing has been launched. The nodal module, named [[Prichal (ISS module)|''Prichal'']], docked to the ISS on November 26, 2021. <ref>{{Cite web|title=Russian port is safely in orbit|access-date=2021-11-25|url=https://blogs.nasa.gov/spacestation/2021/11/24/russian-port-module-is-safely-in-orbit-headed-for-station/|website=blogs.nasa.gov|language=en}}</ref>

==References==
{{reflist}}

{{ISS modules}}

[[Category:Russian components of the International Space Station]]
[[Category:Cancelled spacecraft]]