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SpaceX launches starship Mega-Rocket and catches its booster in midair on first try.
(www.smithsonianmag.com)
This is a most excellent place for technology news and articles.
I think you've got too many zeros on your price estimate, no? The tower is huge, but there's no way it costs five hundred million dollars.
My numbers are correct
Are you including the R&D costs? Best estimates I've seen for a mechzilla put labour and materials between 65-95 million USD