State media has shown footage of night-time exercises involving J-20 fighters. Photo: CCTV
State media has shown footage of night-time exercises involving J-20 fighters. Photo: CCTV

China to start upgrading J-20 fighter engines in bid to close gap with US F-22

  • A source says the jet, also known as the Mighty Dragon, will be fitted with thrust vector nozzles to improve performance
  • The country has spent decades trying to master the technology and the upgrade comes after work on a purpose-built engine fell behind schedule

State media has shown footage of night-time exercises involving J-20 fighters. Photo: CCTV
State media has shown footage of night-time exercises involving J-20 fighters. Photo: CCTV
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