Oxygen leak in rocket resolved, Ax-4 mission now targeted for June 19
The Indian Space Research Organisation (ISRO) has today confirmed that the liquid oxygen leak observed in Falcon 9 rocket has been resolved and now Axiom Space is targeting the mission launch on June 19.
“During a follow-on coordination meeting between ISRO, Axiom Space and SpaceX, it was confirmed that the liquid oxygen leak observed in the Falcon 9 launch vehicle has been successfully resolved," ISRO said.
The Indian Space agency also said that Axiom Space was working closely with NASA to assess the pressure anomaly in the Zvezda Service Module onboard the International Space Station.
“Axiom Space is now targeting June 19, 2025 for the launch of the Ax-04 mission," ISRO said.
The launch of Axiom Mission-4 also includes the launch of India’s first astronaut Shubhanshu Shukla to the ISS.
The mission was originally slated to launch on May 29. It was initially deferred to June 8 due to observation in electrical harness in Crew Dragon Module. Delay in preparedness of the Falcon 9 vehicle for the launch postponed it by another day to June 9.
The mission was further delayed to June 10 due to unfavourable weather conditions. “Additional observation of oxygen leakage in the engine bay was observed during the preparation for hot fire test conducted on June 8, 2025,” the ISRO said.
Moreover, an anomaly was observed in one of the engine actuators that was replaced along with the controller. Anticipating the quick resolution of the liquid oxygen leak issue, the launch was rescheduled to June 11, the ISRO said.
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