Leaked Pentagon docs show the shot-down Chinese spy balloon may have had a feature known as ‘synthetic aperture radar’ that can see through certain materials, WaPo reports

Photo provided by the Jet Propulsion Laboratory 15 April 1994 in Pasadena, Ca, shows false-color composite image of Mount Pinatubo in the Philippines taken by Spaceborne Imaging Radar-C and X-Band Synthetic Aperture Radar aboard the Space Shuttle Endeavour on orbit 78 13 April 1994.
The shot-down Chinese spy balloon may have had synthetic aperture radar, the Washington Post reports. 
The technology has the ability to observe objects in the dark or through clouds. 
SAR is used around the world by organizations like NASA and the European Space Agency.

In February, a high-altitude balloon with surveillance capabilities connected to China flew over the continental US before being shot down over the Atlantic.

At the time, much about the balloon wasn’t known publicly, but a new trove of Pentagon documents leaked on Discord show it — and up to four other previously unknown spy balloons like it — could have had a feature known as “synthetic aperture radar” that can see through certain…

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This article was written by Hannah Getahun and originally published on www.businessinsider.com