China said on Thursday that long-range bombers were among the aircraft that took part in recent aerial drills over the South China Sea amid rising tensions between Washington and Beijing over the strategic waterway.
The exercises included nighttime takeoffs and landings and simulated long-range attacks, Defense Ministry spokesperson Ren Guoqiang said.
Among the planes were H-6G and H-6K bombers, upgraded versions of planes long in use with the People's Liberation Army Air Force and the People's Liberation Army Navy Air Force, Ren said.
He said the exercises had been previously scheduled and were aimed at boosting pilot abilities to operate under all natural conditions. It wasn't clear whether live bombs were used.
Ren's statement appeared to distance the drills from recent accusations exchanged between the sides over China's claim to virtually all of the South China Sea, which it has buttressed in recent years by building man-made islands equipped with runways.
The US this month for the first time rejected China's claims outright, prompting Beijing to accuse it of seeking to create discord between China and its neighbors. Five other governments also exercise claims in the South China Sea, through which around USD 5 trillion in trade is transported annually.
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Previously, US policy had been to insist that maritime disputes between China and its smaller neighbours be resolved peacefully through UN-backed arbitration. But in a statement, Secretary of State Mike Pompeo said the US now regards virtually all Chinese maritime claims outside its internationally recognized waters to be illegitimate.
The shift does not involve disputes over land features that are above sea level, which are considered to be territorial in nature.
The world will not allow Beijing to treat the South China Sea as its maritime empire, Pompeo said.
Although the US will officially continue to remain neutral in the territorial disputes, the announcement means the administration is in effect siding with governments which oppose Chinese assertions of sovereignty over maritime areas surrounding contested islands, reefs and shoals.
In other comments on Thursday, Ren criticized stepped-up military cooperation between the US and Taiwan, the self-governing island democracy that China claims as its territory, to be brought under its control by force if necessary.
Washington and Taipei have no formal diplomatic ties but the US is the island's key provider of defensive arms and is legally obligated to treat threats to the island as matters of grave concern.
The US must realize that China is destined to unify (with Taiwan), and China is destined to realize its great rejuvenation," Ren said.