ChimpGrip Posted May 10, 2022 Report Share Posted May 10, 2022 What would it take to build air crafts like the following? Do you think flying at Mach 5 -10 is the future of commercial travel? There’s a start-up that was funded by the Air Force and some venture capital firms whose goal is to develop a Mach 5 commercial airplane. Quote Link to comment Share on other sites More sharing options...
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