From the twitter thread you (actually/accidentally?) linked, an interesting discussion of the question (it's about providing Ukrainian pilots with aircraft they are already familiar with :

Someone points out to me that Slovakia decided a few days ago to accelerate the phasing out of its MiG-29s (were meant to last to next near) because it didn't want dependence on Russian technicians to maintain them. Opportunity there. https:/tvnoviny.sk/domace/clanok

So it seems eminently doable.

_{It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II}