Flight
Gateway PPE + HALO
Paused · PPE + HALO · paused
ArtemisNASA
Paused Gateway integrated architecture: Maxar Power and Propulsion Element (PPE) with Northrop Grumman HALO habitation.
Paused NRHO station stack (PPE+HALO), planned cislunar logistics hub.
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Named on this flight
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AEPS / high-power SEP on PPE (Maxar)
NASA's Advanced Electric Propulsion System (AEPS) 12-kilowatt Hall thrusters fly on the Maxar-built Gateway Power and Propulsion Element (PPE). · Lanteris Space Systems · NASABHT-6000 Hall thrusters on Gateway PPE (Busek)
Four Busek BHT-6000 Hall-effect thrusters on Maxar Gateway PPE with NASA AEPS. · Busek Co. Inc. · NASACanadarm3 (MDA · CSA Gateway robotics)
MDA Space builds Canadarm3 for the Canadian Space Agency as Gateway external robotics. · MDA Space · NASAHALO batteries (JAXA)
NASA's 9 July 2021 HALO contract release names JAXA batteries to power HALO until the PPE solar arrays deploy and during eclipse periods. · Japan Aerospace Exploration Agency (JAXA) · NASAHALO ECLSS (Paragon Space)
Paragon Space Development was Northrop's subcontractor for HALO ECLSS. · Paragon Space Development Corporation · SpaceNewsHALO habitation module (Northrop Grumman)
Northrop Grumman holds NASA's contract to build Gateway's Habitation and Logistics Outpost (HALO). · Northrop Grumman · NASAHALO lunar communications (ESA)
NASA's 9 July 2021 HALO contract release named an ESA lunar communications system, now called Lunar Link, to provide high-data-rate communications between the lunar surface and Gateway. · European Space Agency (ESA) · NASAHALO PMAD (Airbus Crisa)
Airbus Crisa in Tres Cantos, Spain, designed, integrated and tested the HALO power management and distribution subsystem for Northrop Grumman, which distributes power from Gateway's PPE to HALO systems and visiting vehicles. · Airbus Defence and Space · AirbusHALO pressurized structure (Thales Alenia Space)
Thales Alenia Space in Turin built the HALO pressurized primary structure and part of its micrometeoroid and orbital debris shield. · Thales Alenia Space · Thales Alenia SpaceHALO robotic interfaces (CSA)
NASA's 9 July 2021 HALO contract release names Canadian Space Agency robotic interfaces on HALO to host payloads and provide base points for Canadarm3. · Canadian Space Agency · NASAHALO TTEthernet manufacturing partner (Beyond Gravity)
Beyond Gravity (renamed from RUAG Space in 2022) is TTTech Aerospace's space products design and manufacturing partner on the TTEthernet network and computing platform for Northrop Grumman's HALO module. · Beyond Gravity (ex-RUAG Space) · TTTECHHALO TTEthernet network + computing (TTTech Aerospace)
Northrop Grumman selected TTTech Aerospace in June 2021 to provide the TTEthernet network and computing platform for Gateway's HALO module. · TTTech Aerospace · TTTECHI-Hab ECLSS (JAXA)
Paused Gateway element: JAXA I-Hab ECLSS and batteries are not delivered on live Artemis IV. · Japan Aerospace Exploration Agency (JAXA) · NASAI-Hab IBDM docking mechanisms ×4 (Redwire Belgium)
Paused Gateway element: Redwire Belgium IBDM docking mechanisms for I-Hab are not on the live Artemis IV crew manifest. · Redwire · Redwire CorporationLunar I-Hab module (Thales Alenia Space)
Primary structure production is in Turin. · Thales Alenia Space · ESALunar Link telecommunications element (ESA / Thales Alenia Space)
ESA's Lunar Link is a telecommunications element designed to provide communications between spacecraft in lunar orbit and users on the Moon's surface, built by prime contractor Thales Alenia Space in Cannes, France. · European Space Agency (ESA) · ESAPower and Propulsion Element (Lanteris, formerly Maxar)
Lanteris Space Systems, formerly Maxar, is building the Power and Propulsion Element (PPE) that NASA contracted in May 2019 as the first element of Gateway, a 50-kilowatt solar electric propulsion spacecraft based on the company's 1300-class platform. · Lanteris Space Systems · NASAPPE PPU-6000 power processing (Maxar)
Maxar builds the PPU-6000 high-power control electronics on Gateway PPE solar-electric propulsion, with Moog xenon feed and Busek BHT-6000 Hall thrusters. · Lanteris Space Systems · SpaceNewsPPE ROSA integration (Maxar)
Maxar's Power and Propulsion Element design carries two Roll-Out Solar Array (ROSA) wings, which Redwire company Deployable Space Systems designs and builds under a Maxar contract. · Lanteris Space Systems · RedwirePPE ROSA wings (Redwire / DSS)
Redwire (Deployable Space Systems / DSS heritage) builds two Roll-Out Solar Array wings for Maxar Gateway Power and Propulsion Element under a Maxar subcontract. · Redwire · RedwirePPE xenon feed system (Moog)
Moog supplies the xenon feed system on Maxar Gateway PPE solar-electric propulsion, with Maxar PPU-6000 electronics and Busek BHT-6000 Hall thrusters. · Moog · SpaceNewsHardware
Related flights
Sources
- Gateway NASA
- NASA Welcomes Gateway Lunar Space Station’s HALO Module to US NASA, 4 April 2025
- Artemis Partners NASA
- Lunar Gateway’s HALO pressurized module in preparation for shipment to the United States Thales Alenia Space, 20 February 2025
- Gateway: Frequently Asked Questions NASA
- NASA halts work on Gateway to develop a lunar base SpaceNews, 24 March 2026
- NASA asks Northrop Grumman to stop working on lunar HALO module Ars Technica, 18 June 2026
- NASA, Northrop Grumman Finalize Moon Outpost Living Quarters Contract NASA, 9 July 2021
- Airbus to develop the Power Management and Distribution System for key Lunar Gateway module Airbus, 7 September 2022
- Gateway Space Station NASA, 12 June 2023
- Lunar Link complete and ready for a new adventure ESA, 20 October 2026
- NASA Awards Artemis Contract for Lunar Gateway Power, Propulsion NASA, 23 May 2019
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