New Delhi, June 11 -- SpaceX, NASA and Axiom Space are closely watching weather patterns at the Kennedy Space Centre in Florida where Indian astronaut Shubhanshu Shukla and three others look forward to their travel to the International Space Station (ISS), now scheduled for Wednesday.

Addressing a pre-launch press conference, SpaceX Vice President William Gerstenmaier said engineers had fixed some snags in the Falcon-9 rocket that were discovered during the static fire test and had gone unnoticed during the post-flight refurbishment of boosters.

The Axiom-4 commercial mission to the ISS had to be put off by a day to Wednesday evening due to inclement weather conditions in the flight path of the SpaceX rocket that would lift off from NASA'...