Balkan military officials and other experts have told The Associated Press that in all probability the Chinese gleaned some of their technological know-how from an American F-117 Nighthawk that was shot down over Serbia in 1999.
Nighthawks were the world’s first stealth fighters, planes that were very hard for radar to detect. But on March 27, 1999, during NATO’s aerial bombing of Serbia in the Kosovo war, a Serbian anti-aircraft