China says its newest stealth fighter is combat-ready.
원문출처 : http://www.cnn.com/2018/02/11/asia/china-j-20-stealth-fighter-combat-ready-intl/index.html
원문출처 : http://www.cnn.com/2018/02/11/asia/china-j-20-stealth-fighter-combat-ready-intl/index.html