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Business Standard
2 hours ago
- Science
- Business Standard
Ax-4 launch halted indefinitely, Isro crew to return after Nasa stand-down
Just two days before its highly anticipated launch, the Axiom-4 (Ax-4) space mission has been indefinitely postponed, according to an official statement from Axiom Space. The mission, which was scheduled to lift off on June 22 has been delayed due to unresolved technical concerns and operational reassessments by Nasa. The setback has led the Indian Space Research Organisation (Isro) to recall its two astronauts, who had been stationed in Florida for training ahead of the mission. These astronauts — Group Captain Shubhanshu Shukla, who was the designated mission pilot, and Prasanth Balakrishnan Nair, the back-up crew member — are part of India's prestigious Gaganyaan mission. Speaking to The New Indian Express, an Isro scientist closely associated with the mission confirmed the postponement and said, 'As the mission has been indefinitely postponed, the astronauts will be returning. There are many technical issues which need to be addressed before the mission is launched. Since Nasa has pulled out of the mission, further communication will take time.' While Axiom Space has not provided a new launch date, the Houston-based private space company confirmed that the US space agency has stepped back from the June 22 launch timeline. In a formal statement, Axiom Space said, "Nasa has decided to stand down from the launch that was scheduled for June 22, 2025. The space agency needs more time to evaluate the ISS operations following the recent repair works in the rearmost segment of the orbital laboratory of the Zvezda service module. Since the space stations are interconnected and interdependent, Nasa wants to ensure that the station is ready for any additional crew members. More time is needed to evaluate everything." As of now, the four-person crew — which included astronauts from the US, Poland, Hungary, and India — remains in quarantine. Meanwhile, the Falcon 9 rocket and Dragon spacecraft are still stationed on Launch Complex 39A at Nasa's Kennedy Space Center in Florida. The mission has faced a series of delays in recent weeks. Initially targeted for May 29, the launch was postponed to June 8 due to issues with the Crew Dragon module's electrical harness. It was further pushed to June 9 because of delays in Falcon 9's preparedness, and again to June 10 following poor weather at Kennedy Space Center. On June 10, during pre-launch inspections and hot-fire tests, engineers observed an oxygen leak in the engine bay, along with anomalies in one of the engine actuators. This prompted yet another shift in the launch schedule to June 11. It was during this period that both Nasa and Isro raised concerns with Russia's space agency, Roscosmos, after detecting a new pressure signature indicating an air leak in the Zvezda service module aboard the International Space Station (ISS). Isro reportedly advised Axiom, Nasa, and SpaceX to carry out on-site repairs or replacements and conduct low-temperature leak tests to ensure system integrity before proceeding. Isro had initially announced on June 14 that the mission would launch on June 19. However, that date was also retracted the same day, with the agency promising to communicate a revised schedule soon. The indefinite postponement is a significant development for all the space agencies involved, particularly Isro, which had planned the Ax-4 participation as a precursor to its ambitious human spaceflight programme, Gaganyaan. The situation remains fluid, and all eyes are now on Axiom Space and Nasa for a clearer update on the future of the mission.
New Indian Express
10 hours ago
- Science
- New Indian Express
Axiom-4 put off again, ISRO decides to recall Group Captains Shukla, Nair
BENGALURU: Two days before the scheduled launch of the much-awaited Axiom-4 (Ax-4) Space Mission on June 22, Axiom Space on Friday announced its indefinite postponement. Axiom Space, which is spearheading the 14-day Ax-4 Space Mission to the International Space Station (ISS) with four astronauts from the US, India, Poland and Hungary, has not given the next launch date. Following this, the Indian Space Research Organisation decided to recall Ax-4 mission pilot Group Captain Shubhanshu Shukla and reserve crew member Group Captain Prasanth Balakrishnan Nair. 'NASA has made the decision to stand down from a launch on Sunday, June 22, and will target a new launch date in the coming days. The space agency (NASA) needs additional time to continue evaluating International Space Station operations after recent repair work in the aft (back) most segment of the orbital laboratory's Zvezda service module. Because of the space station's interconnected and interdependent systems, NASA wants to ensure the station is ready for additional crew members, and the agency is taking the time necessary to review the data,' an Axiom Space statement read. The $64 million space mission is a multi-agency collaboration, involving Axiom Space, ISRO, NASA and European Space Agency (ESA). 'The (Indian) astronauts will be returning. There are many technical issues that need to be addressed before the mission is launched,' said a senior ISRO scientist. Shukla and Nair are among the four Indian astronauts selected for India's first manned space mission, Gaganyaan, scheduled to be launched some time in 2027. ISRO Chairman V Narayanan said the Ax-4 mission delays will have no impact on the Gaganyaan mission, which, he said, is progressing as per schedule.
