Yes

Yep those are the last two. In 2023 it was because of a contractor deleted some file and caused NOTAM to go down, and 2001… well we all know what happened

I believe those are the only other two at all.

There were three NORAD exercises (Sky Shield I, II, and III) in 1960, 1961, and 1962 where all civil aviation across the US and Canada were grounded for several hours (the 1961 one was 12 hours, 1960 was 6 hours and 1962 was 5.5 hours). These were exercises to test how effective NORAD would be at engaging Soviet bombers. While they publicly announced that they were 99% effective, in actual fact no more than a quarter of the bombers were even engaged before they reached their target. This evaluation was not declassified until the 1990s.

After 1962 there was too much air travel to continue to shut it down for exercises, and NORAD switched to smaller, regional level things that did not shut down air travel after that. But the results of Sky Shield III in 1962 were the only experience that the FAA had to work from when they did the full ground stop after September 11th. Sky Shield III had tested how quickly air traffic control could clear the sky in the event of a nuclear war- the USAF had put up several hundred T-33 trainers, flying them randomly around the US and Canada, and then at a certain point the ATC had to get them all on the ground far away from major metropolitan centers (presumed lost in the war).

Yes, and Howard Lutnick was in the news yesterday too (he’s generally considered to have had pre-knowledge of 9/11).

https://www.pbs.org/newshour/politics/bessent-blames-lutnick...

I don’t like Lutnick, but insinuating that he knew 9/11 would happen, and only cared to save himself is a baseless conspiracy that doesn’t live up to what HN standards should be

I’m sorry baseless? You should learn more about it:

https://x.com/_whitneywebb/status/2119846209871282200

> he’s generally considered to have had pre-knowledge of 9/11

“Generally considered,” really? Does that apply anywhere outside of r/conspiracy?

[delayed]

Here’s a bunch of fresh information about it. Read for yourself and decide:

https://x.com/_whitneywebb/status/2119846209871282200