It also doesn't appear to be a very accurate description of the things NATO has been getting up to since the end of the Cold War.
"[NATO] has been involved in military operations in the Balkans, the Middle East, South Asia, and Africa"[0]
You don't have to be a spin doctor to realise that what seems like "defence" to one person is another's war of aggression.
German defence minister Peter Struck memorably said in 2004 that "Germany was also [being] defended on the Hindu Kush".[1]
[0] https://en.wikipedia.org/wiki/NATO [1] https://www.bundesregierung.de/breg-de/service/bulletin/rede...
Almost like "defensive weapons". Almost, because that's even worse.