United Launch Alliance (ULA)

"Indefinitely delayed" mission unlikely to launch this year. First launch of the Starliner crew vehicle to the International Space Station carrying only cargo for the orbital laboratory; will allow in-flight validation of the system upgrades implemented following the Crew Flight Test mission of 2024.

Crew of 4 men to Low Earth Orbit to test docking of Orion craft with separately launched prototype lunar landing systems from SpaceX and / or Blue Origin. Astronauts will then transfer over to the lander(s) to check life-support systems. Possible testing also of Axiom lunar spacesuits including EVA.