Russia's government said last week that China's prototype J-15 jet fighter is a pirated copy of the Sukhoi Su-33 fighter bomber, highlighting China's continued reverse-engineering and technology acquisition piracy. Russia’s Novyy Region news agency reported June 4 that Chinese engineers have assembled the first prototype of the J-15, an advanced warplane considerd a “fourth-generation deck-based fighter.” “The copy was developed on the basis of one of the first Sukhoy prototypes — the Soviet-era T10K experimental aircraft, which China received from Ukraine in 2005,” the report said. “Earlier, Beijing tried to purchase two Su-33 aircraft from the Russian Federation, but Moscow...