British newspaper The Guardian is reporting today, that the Chinese stealth fighter Chengdu J-20 may be built using US technology. Balkan military officials said China may have gleaned knowledge from a US F-117 Nighthawk that was shot down over Serbia in 1999.
“At the time, our intelligence reports told of Chinese agents crisscrossing the region where the F-117 disintegrated, buying up parts of the plane from local farmers,” said Admiral Davor Domazet-Loso, Croatia’s military chief of staff during the Kosovo war. “We believe the Chinese used those materials to gain an insight into secret stealth technologies and to reverse-engineer them.”
A senior Serbian military official confirmed that pieces of the wreckage were removed by souvenir collectors, and that some ended up “in the hands of foreign military attaches”.
Continue at http://www.guardian.co.uk/world/2011/jan/23/china-stealth-fighter-us-technology