For NATO, September 11 changed everything too, it was the first time ever Article 5 was invoked

For NATO, #September11 changed everything too, it was the first time ever Article 5 was invoked https://t.co/gSbU8dzMYJ #NATOdeclassified pic.twitter.com/oAcH8ncKkF

— NATO (@NATO) September 10, 2017