The Chinese balloon that crossed the continental US last week had multiple antennas for intelligence gathering and was part of a broader surveillance fleet, the state department said on Thursday.
A senior state department official said China had used similar surveillance balloons over more than 40 countries and five continents. It added that the US would continue to brief allies on the scope of the programme.
The official said that high-resolution photographs that were taken by U-2 spy planes had “revealed that the high-altitude balloon was capable of conducting signals intelligence collection operations”.
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