I read this as a boy. I'm moved to tears. I'm sorry, that isn't much of a productive comment, but I really have no words for what it feels like to have grown up with that as an example of what mankind could really do.
I still have a special edition of one of the leading Brazilian magazines of the time dedicated to first lunar landing. I've lost count of how many times I've read it.
I now understand why we went there and why we never went back. I feel betrayed and disappointed. Our species has proved itself worthy and our leaders reduced it to a pissing contest.