Which one are you talking about? The J-20 or FC-31? The J-20 has appeared (and flied and demonstrated its weapon bay) on multiple public air shows where foreig

Which one are you talking about? The J-20 or FC-31? The J-20 has appeared (and flied and demonstrated its weapon bay) on multiple public air shows where foreign medias were invited. I believe they also have a few squadrons in service already.