CNN:

The US Navy reconnaissance jet flies at 21,500 feet over the South China Sea, 30 miles from the contested Paracel Islands, a group of about 130 small atolls, the biggest of which are home to Chinese military bases.

A voice, saying it’s coming from a People’s Liberation Army (PLA) airport, crackles over the radio of the US Navy P-8 Poseidon as a CNN crew, given rare access aboard the US flight, listens in.

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