between donetsk in the east with nova kakhovka right on the river dnipro. there is also a train line via crimea across the damaged kerch bridge. train lines are crucial to russian logistics because their road transport is antiquated and inefficient. ukraine knows this very well and when we factor in artillery ranges, we can see that they're close enough to hit some key points along these lines with precision artillery. i'm not originally a sort of a russia ukraine expert, but i think that helped me because i was one of the people before february 24th saying, why do we think the russian army is any good? when it comes to the military strategic picture in ukraine, one expert who's done a lot of work on this is professor phillips o'brien from the university of st andrews in scotland. it looks like russia occupies one significant swath of territory. when you look at the map, you see this sort of one arc of territory that is under russian control. logistically, however, that's two pieces. it's not actually