Jenny

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я не знаю что тут писать

Bell X-1

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The Bell X-1 is the first aircraft to reach mach 1. It is a small, orange aircraft with a wingspan of 28 feet. The X-1 is 31 feet long and weighs 13,034 pounds. The top speed of the aircraft is mach 1.06. The X-1 became the first aircraft to reach mach 1 on October 14th, 1947.