China has confirmed that its new Y-20B heavy transport aircraft can be converted into an aerial refuelling tanker, potentially boosting PLA Air Force capacities deeper into the western Pacific. A documentary aired by state broadcaster CCTV on August 5 said the Y-20B, an improved variant of China’s Y-20 strategic transport powered by domestically developed WS-20 turbofan engines, could switch between transport and aerial refuelling missions using pallet-ready fuel tanks and removable refuelling...