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

来源: 2023-07-20 12:39:57 [旧帖] [给我悄悄话] 本文已被阅读:

"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