C842 A Stealth Aircraft Model That Can Change Wings
Back then, no one had high hopes for the top six because the demand for the technology was too high. The engine of the Turbofan 6 could be changed into wings, and these techniques could not be broken through.
If he wanted to break through, he had to think of a way from the Grumman Company.
However, the Grumman Company was also very smart. As long as they proposed to buy these technologies