This is very exciting,remind me of Concorde. There needs to be more private companies pushing the edge of what is possible. SpaceX is doing that with space travel and I feel there are similar opportunities in commercial air travel.
And there's a lot of private companies contributing[1]. But makes me wonder where Boom/Hermeus/Astro Mechanica etc fit in.
[0]:https://www.nasa.gov/quesst-the-mission/
[1]:https://www.nasa.gov/wp-content/uploads/2019/05/companies-co...