J-20 flies without Luneburg lens in exercise.
J-20 live firing in dog fight training.
J-16 heavy fighter.
Two J-16 with different engines.
J-16 is said to be the new generation of Su-30
J-16 AI development.
J-10B in night training.
The three form the backbone of PLAAF.
Y-20.
WS-20 on Y-20.
Related link: PLAAF 10th anniversary of J-20 first flight