operational airfields, it is simply not possible with those forces, they are protected there by the rebotected by mobile groups, some airfields are protected together with the cities near which they are located, some remain with such protection, well, let's say insufficient, uh, and can we talk about whether? during these 2.5 years of a full-scale russian-ukrainian war, ukraine has increased the number of airfields, improved defenses there, are there any concrete underground storage facilities there for the same fighters, are those airfields and airbase still used, which are essentially from the soviet times remained, er, all that remained from the soviet times and, moreover, part of it was largely destroyed, unfortunately, we do not have the opportunity. to build new protected, new, let's say, protective structures, because it is very expensive expensive, in addition, they break through, they use modern rockets, well, i don’t know how much, that is, what concrete, how thick is the layer of concrete, but because several meters of concrete are broken through, the shdow storm is able to br