After Indian astronaut IAF Group Captain Shubhanshu Shukla and his Axiom-4 mission crew members returned to Earth, ISRO Chairman V Narayanan said, "It’s a big moment for India." Recalling the leak of liquid oxygen (LOx) from the Falcon 9 rocket, which delayed the mission launch, Narayanan stated, "I spent sleepless nights when there was a leak in the vehicle."