Before revision: URL and Dillon Zhou, "China J-15 Fighter Jet: Chinese Officials Defend New Fighter As Chinese Original, but Questions Remain," Mic, December 16, 2012, URL as-chinese-original-but-questions-remain More recent analyses of China's military growth have pointed to the inherent limitations of habitual reverse engineering for advanced weapon systems.Andrea Gilli and Mauro Gilli, "Why China Has Not Caught Up Yet: Military-Technological Superiority and the Limits of Imitation, Reverse Engineering, and Cyber Espionage, International Security 43:3 (2019 141-189, URL During the Second World War, Polish and British cryptographers studied captured German "Enigma" message encryption machines for weaknesses.
After revision: URL and Dillon Zhou, "China J-15 Fighter Jet: Chinese Officials Defend New Fighter As Chinese Original, but Questions Remain," Mic, December 16, 2012, URL as-chinese-original-but-questions-remain During the Second World War, Polish and British cryptographers studied captured German "Enigma" message encryption machines for weaknesses.