No NATO country is currently invading another country.
Even if we ignore all previous atrocities, two examples immediately come to mind:
Turkey has been invading Syria for quite a while.
The US is still occupying parts of Iraq (and has been committing genocide against Cubans for decades, is trying to overthrow governments around the world, etc., but let’s ignore that).
Even if we ignore all previous atrocities, two examples immediately come to mind: