Mumbai, June 12 -- The Axiom-4 (Ax-4) mission, which was scheduled to carry Indian Air Force Group Captain Shubhanshu Shukla on board a SpaceX Dragon spacecraft to the International Space Station (ISS), on Wednesday evening has been postponed, the Indian Space Research Organisation said on X. "As part of launch vehicle preparation to validate the performance of booster stage of Falcon 9 launch vehicle, seven second of hot test was carried out on the launch pad. It is understood that LOX leakage was detected in the propulsion bay during the test. Based on the discussion on this topic by ISRO team with the experts of Axiom and SpaceX it has been decided to correct the leak and carry out necessary validation test before clearing for the launch. Hence the launch of Axiom 04 slated for 11th June 2025 for sending first Indian Gaganyatri to ISS is postponed," Isro chairman V Narayanan said in a statement at 6.46am. The mission was to lift off on June 10 but was pushed by a day due to weather conditions, specifically high winds in the ascent corridor....