A Chinese Air Force Su-30 fighter is refueled during a routine combat simulation drill over the West Pacific Sept. 12, 2016. The Chinese Air Force on Monday sent multiple aircraft models, including H-6K bombers, Su-30 fighters, and air tankers, for the drill. The fleet conducted reconnaissance and early warning, sea surface cruising, inflight refueling, and achieved all the drill's targets. (Xinhua/Xiao Jianjun)
