Have NATO member states ever armed a non member state to the levels seen today without themselves ever officially getting physically (boots on the ground) involved?
That's said, the UK did have boots on the ground in Ukraine from 2014 to 2021 in very small numbers, to help train the army. Canada and a few others did too.
Have NATO member states ever armed a non member state to the levels seen today without themselves ever officially getting physically (boots on the ground) involved?