Most likely an army of 20,000. 40,000 feet.
Here’s an interesting coindence that I came across because of a Christmas gift. It was on the back cover of this book called Homo Deus by Yuval Noah Harari. “Praise for Sapiens [book that Homo Deus is a sequel to]”
In a review of Sapiens by none other than BHO: “A sweeping history of the human race from forty thousand feet. And part of what makes it so interesting and provocative is that it’s such a condensed, sweeping history…”
Forty. Thousand. Feet.