I did. considering US did not have many "black"projects after 19

when F22 was there. The speed is too slow. Without good engine, it is waste of time to talk about speeding up on air craft such as F-20.

   

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Engine is always the bottleneck in the Chinese -Giantfan- 给 Giantfan 发送悄悄话 (1284 bytes) () 11/07/2011 postreply 11:37:38

Thanks but actually Rome was built in just a day. -Northstar_V8- 给 Northstar_V8 发送悄悄话 (0 bytes) () 11/07/2011 postreply 12:24:55

the core technology can never be copied and has to be developed -Northstar_V8- 给 Northstar_V8 发送悄悄话 (200 bytes) () 11/07/2011 postreply 12:28:23

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