超越F22，美軍神秘戰機曝光，實現超音速靜音飛行

The supersonic airliner has a renaissance, NASA and Lockheed Martin. Played a new trick on the passenger plane, the silent supersonic aircraft X-59. As the name implies, it reduces the sonic boom that occurs when an aircraft is flying at supersonic speeds. And it intends to test flights in Texas by the end of the year and is expected to fly above U.S. airspace in 2023. Finally, the X-59 will be tested in 2024-2026, and the impact of noise on residents when flying in densely populated cities. If all goes well, then in 2027, X-59 can meet everyone. Revolutionizing global air transport, even fighter jets can fly silently.