https://mediabiasfactcheck.com/irish-sun-bias-and-credibility/

Ooh, Murdoch owned tabloid parroting Russia’s talking points of how Ukraine is full of Nazis, very credible.

Why would the Russia allow them to visit Ukraine? If they wwre to visit Ukraine, they would stop getting any support from the Russia, as they would seem compromised. You can get training in a lot of places. Why go, of all places, to the one that will annoy the country funding your activities?