A YY-20 tanker attached to an aviation brigade of the air force under the PLA Southern Theater Command refuels two J-10 fighter jets at the same time during a recent flight training exercise. Photo: China Military

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command approaches an YY-20 tanker during a recent flight training exercise. Photo: China Military

J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command fly in formation during a recent flight training exercise. Photo: China Military