Via Slashdot: <a href="https://tech.slashdot.org/story/20/12/26/0535214/america-creates-a-770-mile-corridor-for-testing-supersonic-aircraft-up-to-mach-3" rel="nofollow">https://tech.slashdot.org/story/20/12/26/0535214/america-cre...</a>