NASA planned to send human missions to the Moon through Apollo 20. Congressional cutbacks in NASA allocations accelerated the end.
Why it took the US 51 years to get back on the moon
50 years ago, we flew to the moon. Here's why we can't do that
50 years ago, we flew to the moon. Here's why we can't do that
Return to the moon: Why are we restarting human lunar exploration
Apollo, SpaceNext50
Apollo at 50: Why haven't we gone back? — Moonshot Mobility
Return to the moon: Why are we restarting human lunar exploration
Apollo 11, SpaceNext50
NASA wants to go back to the moon, but is it worth it?
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Apollo took us to the moon in 1969. Why haven't we gone back? - CNET
NASA's return to the moon is off to a rocky start
Return to the moon: Why are we restarting human lunar exploration
Do any Apollo Mission astronauts have footage of Earth taken from