1. https://en.wikipedia.org/wiki/Ukrainian_Ground_Forces#Army_A...
"Surface-to-air missile systems and complexes of division level are characterized by their long range and firepower and are equipped with surface-to-air missile complexes;S-300V,Osa, Buk, Buk-M1 and Tor."
2. No they did not need to do that, it was enough to park it closer to the zone
3. I am not sure what is this gibberish about, I did not mention anything about SBU or anybody else saying anything.
Thanks for the downvotes, even when you are obviously wrong. It is just showing how much HN lost its way.