What the U.S. Is Doing to Curtail Chinese Land Ownership

China has maintained the first aircraft was a wayward civilian weather balloon and has not been named by U.S. officials as the source of the others.

Tom Shugart, a senior fellow at the Center for a New American Security suggested radio emissions were the most likely target. He told Newsweek: "I'd think this is more espionage risk and surveillance risk, the idea being that if China has facilities or owns land or property near military bases, they could potentially set up listening equipment or other surveillance equipment."

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