After the suspected Chinese spy balloon was spotted over the U.S., NORAD says it adjusted how it filters data to better find objects at low speed and high altitudes.
seemingly escape public notice until the U.S. military dispatched these objects with missiles?
, the North American Aerospace Defense Command, or NORAD, says it has adjusted how it filters radar data to better find small objects at low speed and high altitudes — leading the government to find the unidentified objects President Joe Biden ordered brought down over the weekend. Across industry and government, radar analysis is a process filled with unwanted echoes or signals, which are typically harmless. Recent events, however, have raised questions over how effectively the military is able to process airspace clutter, if the technology needs modernization and what other gaps exist in a system built for the country’s defense.
Things like birds, insects or even drones can scatter radio waves and obstruct the intended view. Some weather radar systems would scrub a floating vessel, like a balloon, from its view through a filter or algorithm. But while clutter is a complication, the major challenge is that there’s no one entity in charge of scanning the skies for the type of objects now in question.
National security agencies have direct access to the FAA’s radar data and surveillance systems, said Michael Huerta, another former FAA administrator. “Well, you know, I’ll defer to the FAA to talk about what they’ve seen in the airspace. Again, as we saw these things operating in that space, we took prudent action,” Austin said in an interview.Acting FAA Administrator Billy Nolen told NBC News in a Wednesday interview that he felt strongly that “our nation’s airspace is safe, and it’s secure.” The agency does not track every balloon in U.S. airspace, he said.
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