let's take a closer look at this with dr. marina moran, who's a postdoctoral researcher from the defense studies, the palmed kings college london. welcome to d, w. a. want ukraine's counter offensive have been possible without these foreign weapons? well, actually a counter offensive is being discussed right now because the ukrainian forces, i essentially good at defending, not as offensive operations. so obviously, the likes of high mars haven't able to offer some resistance. however, as a ukrainian defense minister sat in war, you to be able to mount a successful counter offensive in her song. they would need at least $100.00 timers systems in the ukraine. and right now they have less than 20. so from that perspective, the weapons have been useful to create some parity in terms of artillery. however, there have been other issues associated with the systems because ukrainian forces received quite a variety of them from different countries, including france, germany, britain, and obviously the united states. and each of this, the system has its own requirements. so it's not about having