Boeings's Project Yellowstone

Pretty awesome article! I did not see any duplicates for this so if there is mods please close it. https://www.google.com/url?sa=t&source=web&rct=j&url=https://en.m.wikipedia.org/wiki/Boeing_Yellowstone_Project&ved=0ahUKEwiso9bfr7zPAhVCw4MKHRMXBuQQFggdMAE&usg=AFQjCNEDAXoMcGMhe1zhLZT7Ak1_-FpChQ

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