Astronaut Blows Dust off A Rock Box In The Fake Moon Bay. Astronauts Had Hidden Holes in Their Helmets So They Could Breathe In The Fake Moon Bay Simulation.
This Video is from NASA's Public Domain Movie:
Apollo 12: Pinpoint for Science (1970)
NASA did redacted editing & cleaning up of the text, to cover what they really said in the written records of the Astronauts conversations. Also in some video's NASA has later recorded different conversations, replacing what was originally spoken.
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