China's stealth fighter makes brief appearance in air force film

 China's prototype stealth fighter, the J-20, has made a rare appearance on screen after a brief shot of it was included in a new Chinese air force recruitment video.

The J-20 had its first test flight in early 2011 - at the same time then-US defence chief Robert Gates was visiting China - but since then few images of it have surfaced.

In the air force video, entitled "Heroes' Sky" and released on Thursday on Chinese video-sharing websites, the aircraft can been seen very briefly taking off, interspersed between other images of older fighters amid stirringly patriotic slogans.

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