NASA wants to evaluate recent efforts to stop a small but persistent air leak in the Russian segment of the space station.

The International Space Station is leaking air, which has caused an indefinite delay to the Axiom 4 Mission. NASA explained that the leak is under control and that the astronauts on the station are not in any immediate danger.

NASA and Axiom Space have decided to delay the upcoming Axiom-4 launch to the International Space Station (ISS) indefinitely due to growing concerns over a persistent air leak in the Russian PrK vestibule of the aging Zvezda module.