A demonstration flight by Jian-20 stealth jets and the first glimpse of a model of a new combat drone drew the attention of visitors to an air show in China's Zhuhai.China had unveiled the Jian-20 next-generation radar-evading aircraft in the previous round of the biennial event in 2016 and the People's Liberation Army Air Force announced earlier this year that the fighter has been deployed to an air force unit.China's air force flew three Jian-20s on Nov. 6, the first day of the six-day International Aviation and Aerospace Exhibition.The organizers also displayed a life-size model of the C…READ FULL ARTICLE