U.S. astronauts won’t set foot on the Moon until September 2026 at the earliest, following NASA’s announcement of multiple delays to Artemis missions stemming from safety concerns for astronauts flying aboard the Orion spacecraft, and the need for further development of key technologies.
Split it between humanitarian/environmental missions and space missions. The Army and Navy have astounding logistics systems that could be used to distribute resources, while the USAF and USSF focus on exploration.
We do some of that already.
I spent a couple months in South America going port to port. We had a bunch of military doctors from other countries even.
Just show up and give aid for like a week then off to another one.