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Cool. But I wonder about this stat: 63 manned stations, "would need about 500 tons of materials to create all of these stations"

500 tons seems WAY low.

I think they dropped a 1,000 from it, so it should have said "need about 500,000 tons."

> 500 tons seems WAY low.

Yes, it sees "460,000 tons of materials were moved from the US and southern Canada to the Arctic by air, land, and sea" at https://en.wikipedia.org/wiki/Distant_Early_Warning_Line#Con...