SpaceX had reset the countdown clock for its next human spaceflight, but a NASA decision has forced another delay of the private Axiom Space Ax-4 mission to the International Space Station.

With an initial launch date of May 29, the mission has been postponed several times, owing to problems in the electrical harness of the SpaceX Dragon spacecraft that was to carry the astronauts, a liquid oxygen leak in the Falcon-9 rocket,

Officials for NASA, Axiom Space and SpaceX will attempt to launch the Axiom-4 mission as soon as Sunday after a Falcon 9 rocket leak scrubbed the June 11 mission launch.