in the meantime, we are adding to our conversation the ex-testing engineer of the antonov design bureau, aviation expert kostyantyn kryvolap. mr. kostyantyn, good morning, glory to ukraine. good morning, glory to the heroes. according to your calculations, this good plane, the swedish ac 890, how many of them would we need , so that, at the very least, we could begin to properly control the sky around us. ukraine and in ukraine, well, you know, there are not many weapons, this is such a well-known story, but you know, it is necessary count money, you need to think in real categories, well, at least how much is needed, well , i think so, but now the situation is such that we still receive some information, we receive information from our partners, a lot of this information, we have air defense equipment , we have special radars that are there too. are investigating our air space, along the border with poland, romania flies avax, there, usually one or two cars fly there, and they fly, they see somewhere, these are big avax, they see somewhere 800 km away, and this is a constant patrol, na