China introduces new stealth aircraft

China has unveiled its new version of stealth aircraft,J31.By such a move china will have an undue advantage in the region.China's second stealth fighter jet that was unveiled this week is part of a programme to transform China into the top regional military power.
China's previous stealth fighter, the J-20, is a heavier aircraft and believed to be less manoeuvrable than the J-31.The buildup is a worry for neighbours which are uneasy with China flexing its military muscle, especially in territorial disputes with Japan in the East China Sea ,Vietnam and the Philippines in the South China Sea,India etc.

Stealth technology:
Stealth technology also termed LO technology (low observable technology) is a sub-discipline of military tactics and passive electronic countermeasures,which cover a range of techniques used with personnel, aircraft, ships, submarines, and missiles, to make them less visible (ideally invisible) to radar, infrared,sonar and other detection methods.