Y-20BU? Tanker with WS-20.

Y-20U refueling J-16 over E.China Sea, as J-16 undertake more overseas mission, including but not limited to round trip over TW.

J-16 had intercepted Australian, Canada and US planes recently, such as the US C-130 last Jun, deemed by Pentagon as "unsafe" and "unprofessional".

J-20 have also been flying overseas trip, but it's more in the background role.

J-20S in flight.

The new J-20S purportedly to fly with companion UAV.

Y-20 airltft exercise.

Y-20B transport with WS-20 in service.

Latest J-10D.

J-10C