In history, it was not until July 5, 1969 that the Jian-8 made its first test flight at the airport of Shenyang Aircraft Factory by test pilots, with an altitude of 3,000 meters and a speed of 500 kilometers per hour, which was a complete success.

But the success of the test flight does not mean that this fighter has become, the J-8 is an aircraft with a maximum speed of more than twice the speed of sound. It is not so simple to develop a supersonic aircraft, and the aerodynamic shape is a big problem.

"I Am Liu Guangqi in the Courtyard" Chapter 529 J-8 2 is in the middle of the hand, please wait a moment,

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