Oil refineries are very large, very fragile, very flammable and very expensive. They are THE target to hit as it hits Russia right in the wallet.
And <=1000km is not at all difficult anymore with modern drone tech. This was already possible for a long time, but the tech has gotten so incredibly cheap and light.
excellent haul.
On course to exceed the number of soldiers russia orignally comitted to their crimes before the 2 year mark. If Ukraine can now scale the FPV drone production as they intend, these are going to be rookie numbers. And those Russians are lacking the skills for the FPV drones on scale, as they can't wall- and aimhack IRL.
TOS-1A going up is always a great win, these things are indiscriminate weapons of terror not war.
Ukraine better figure out what to do about the new coastal railway Russia is building through the Donbas.