NASA is embarking on a new project. This is the construction of a supersonic aircraft bearing the name X-59, which could take off for the first time in 2021. It would be an aircraft that would be intended for commercial flights. This is by no means a cheap affair. The construction of one piece will cost almost a quarter of a billion dollars. "Iks fifty-nine" should fly at a speed of up to 1500 km/h at an altitude of 16,5 kilometers. Anyone interested in this topic can watch a great documentary about the former king of the skies - Concord. The link to the video is below the article.
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https://www.youtube.com/watch?v=q_LYMhk_-P4