Chinese spy balloon exposed gaps in U.S. ability to detect t

"We were not looking for a high-altitude balloon at that time,” Gen. Glen VanHerck tells NBC News’ Lester Holt. “Our radars are capable of seeing it, but we were filtering out that data,”

https://www.nbcnews.com/news/us-news/chinese-spy-surveillance-balloon-flaws-threat-detection-norad-defense-rcna95094


 

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