China's Chengdu J-20 fighter to compete with Russia's T-50

China would have undisputed first-strike superiority throughout a region where tensions are on the rise.

Exact details of the aircraft's fuel capacity and range are unknown, but estimates give the J-20 a striking range of 1,000 nautical miles, which would place Japanese, Korean, Vietnamese and Philippines airfields within reach of China.

And China has simmering economic and territorial disputes with each of these countries

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