| 9.21 | |
| Development is stopped on the supersonic Concorde jet (1979) | |
Copyright Masaru HASHIMOTO
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| THE CONCORDE This ominous bird-like passenger jet, which was jointly developed by England and France, creates a strong sonic boom. In 1969, it first reached supersonic flight, but the project was later cancelled. I don't think people like to travel supersonically. | |