, on land, in the air for. such effective work, we already have a connection with our guest, valery romanenkoxpert, leading researcher of the national aviation university. glory to ukraine, mr. valery. and glory to the heroes, and even from a fresh start, tarnavskyi already reported that in the south they discovered and destroyed, which is very important, the newest russian zerka s384. maybe b4 or something. b4, i'm sorry, i can't see well, eh, mr. valery, can you tell us a few words about this joy, how big a loss it is for the russians and what is ours, and how much, how much easier it will be for us losses, well, russians, let's start with the number, not much, let's say this, this is such a specialized version of the s300, which is different, radically different from, well, the s-300 is a complex. which was created in two versions, one for the defense of the country's territories, the other for the air defense of the ground forces, so this one is for the defense of the ground forces, the s300 v4, and besides, it is also on a tracked chassis, uh, that is, if, then , well, on a tracked chass