La corrosion affecte les modules habitables du Lunar Gateway

L'administrateur de la NASA, Jared Isaacman, a confirmé que les deux modules habitables livrés pour la station spatiale Lunar Gateway, HALO et I-HAB, présentent des problèmes de corrosion. Cette révélation a été faite lors d'un témoignage devant le Congrès et s'ajoute aux raisons justifiant la suspension du programme afin de donner la priorité aux missions sur la surface lunaire. Northrop Grumman et l'Agence spatiale européenne traitent actuellement ce problème.

Pendant une décennie, la NASA a promu le Lunar Gateway comme une station en orbite lunaire destinée à tester l'habitation dans l'espace lointain et à soutenir l'exploration lunaire. Les plans de lancement ont été décalés de 2022 à 2024 pour le module HALO et l'unité de puissance, le module I-HAB étant prévu pour 2026. En mars, Isaacman a annoncé une pause concernant le Gateway afin de concentrer les ressources sur la surface de la Lune, dans un contexte de concurrence avec les ambitions lunaires de la Chine et de coûts en forte augmentation.

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Conceptual illustration of NASA's $20B Ignition moon base on lunar surface, highlighting shift from canceled Lunar Gateway amid Artemis program.
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NASA cancels Lunar Gateway to prioritize $20B moon base under Ignition plan

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NASA Administrator Jared Isaacman announced the Ignition initiative on March 24, canceling the Lunar Gateway orbiting station to focus on a $20 billion three-phase moon base on the lunar surface. The shift, echoing Trump administration budget proposals, supports frequent Artemis crewed landings amid competition from China and preparations for the first crewed Artemis mission with a launch window opening April 1.

Thales Alenia Space has acknowledged a manufacturing issue affecting habitation modules for NASA's former Lunar Gateway project. The company stated it will fix the problem, described as a 'well-known metallurgical behavior,' by the end of the third quarter of 2026. NASA Administrator Jared Isaacman recently disclosed corrosion in the modules during congressional testimony.

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NASA is working with SpaceX and Blue Origin to simplify requirements for their Human Landing Systems, aiming for a 2028 moon landing. Lori Glaze, head of NASA's deep space exploration, said both companies have submitted proposals to speed up development by avoiding complex orbits. Officials are analyzing compatibility with the Orion spacecraft.

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The US space agency NASA is set to launch its Artemis II mission today, sending astronauts to orbit the moon for the first time in over 50 years. Four astronauts from the US and Canada will undertake a test flight lasting about ten days. Germany provides the key European Service Module for the Orion spacecraft via the European Space Agency.

NASA's Artemis II mission has reached day six, with its four-person crew nearing the far side of the moon. The spacecraft remains on track for a lunar flyby while the astronauts share images and videos of Earth. They are also testing systems for future missions and addressing a toilet issue.

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Fifty-eight years after Apollo 8's lunar orbit, Nasa is set to launch Artemis II, a crewed flyby that will take astronauts farther from Earth than ever before. The mission will test key technologies for future lunar landings and mark a step toward a permanent moon base. The crew, currently in quarantine, includes commander Reid Wiseman, pilot Victor Glover, and mission specialists Christina Koch and Jeremy Hansen.

 

 

 

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