There are approximately 450 individual lunar rock samples around the world that the public can examine directly. They cannot possibly stop a professional geologist from examining them and shout 'Fake!'  Not one ever has.. why? Because they are not fake!   

Much more information in the book.

   moon rocks & Training sites  

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It has been claimed that the training sites were all kept secret for some unknown reason. Yet we can visit these sites today freely - from my own drone...