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Ion thruster
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=== Proposed missions === ==== Lunar Gateway ==== The [[Power and Propulsion Element|Power and Propulsion Element (PPE)]] is a module on the [[Lunar Gateway]] that provides power generation and propulsion capabilities. It is targeting launch on a commercial vehicle in January 2024.<ref>{{cite web |url=https://www.oversight.gov/sites/default/files/oig-reports/IG-21-004.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.oversight.gov/sites/default/files/oig-reports/IG-21-004.pdf |archive-date=2022-10-09 |url-status=live |title=Report No. IG-21-004: NASA's Management of the Gateway Program for Artemis Missions |pages=5β7 |work=[[Office of Inspector General (United States)|OIG]] |publisher=[[NASA]] |date=10 November 2020 |access-date=28 December 2020}}</ref> It would probably use the 50 kW [[Advanced Electric Propulsion System]] (AEPS) under development at NASA [[Glenn Research Center]] and [[Aerojet Rocketdyne]].<ref name="AEPS 2017">Daniel A. Herman, Todd A. Tofil, Walter Santiago, Hani Kamhawi, James E. Polk, John S. Snyder, Richard R. Hofer, Frank Q. Picha, Jerry Jackson and May Allen. [https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20180001297.pdf Overview of the Development and Mission Application of the Advanced Electric Propulsion System (AEPS)], NASA/TMβ2018-219761 35th International Electric Propulsion Conference, Atlanta, Georgia, 8β12 October 2017, Accessed: 27 July 2018.</ref> ==== MARS-CAT ==== The MARS-CAT (Mars Array of ionospheric Research Satellites using the CubeSat Ambipolar Thruster) mission is a two 6U [[CubeSat]] concept mission to study Mars' ionosphere. The mission would investigate its plasma and magnetic structure, including transient plasma structures, magnetic field structure, magnetic activity and correlation with solar wind drivers.<ref name="MARS-CAT"/> The CAT thruster is now called the [[Radio frequency|RF]] thruster and manufactured by Phase Four.<ref name="P4_RF_Thruster"/> ==== Interstellar missions ==== [[Geoffrey A. Landis]] proposed using an ion thruster powered by a space-based laser, in conjunction with a lightsail, to propel an interstellar probe.<ref>{{cite journal |last=Landis |first=Geoffrey A. |date=1991 |title=Laser-Powered Interstellar Probe |journal=[[APS Bulletin]] |volume=36 |issue=5 |pages=1687β1688}}</ref><ref>{{cite web|url=http://www.geoffreylandis.com/laser_ion.htp |first=Geoffrey A. |last=Landis |title=Laser-powered Interstellar Probe |date=1994 |archive-url=https://web.archive.org/web/20120722013713/http://www.geoffreylandis.com/laser_ion.htp |archive-date=2012-07-22 |work=GeoffreyLandis.com}}</ref>
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