[Cronos]

NATO’s article 5 is that if any country attacks a member of the alliance, the other members come to help.

it isn’t Russia specific.

on 9.11 the USA was attacked and the USA invoked article 5. The other members came to the USA’s side.

Countries that joined NATO after 1999 joined in fear of Russian aggression - AND THEY WERE CORRECT - Russia invades its non-NATO neighbors

[Alberta's Child]

The U.S. invocation of Article 5 after 9/11 should have been seen as a comical farce.

A bunch of foreigners (mostly Saudis) enter the U.S. on legal visas, get trained to fly in U.S. flight schools, and then hijack four airliners and crash them into buildings. And that somehow obligated other NATO countries to help the U.S. invade Afghanistan — and occupy it for 20 years?