a final question from ari sheaco,. thank you very much, secretary. i have two questions. you said that nato will not send fighter jets to ukraine to shoot down russians. it s understandable, but there is another way to impose this no-fly zone. of course, the states send missiles, but air defense capabilities to support and currently work in ukraine and defense capabilities with s-300 which are working quite well. the second question is, you saw it more than a week of fighting and how russian forces weren t able to achieve most of their objectives. so how does this week of war