 The defence line of Russian troops in Ukraine will be broken for four months. The destruction of the defence lines of the Russian troops can last from one, two to four months. Let's recall the situation around Bakhmut, where the 72nd separate motorised rifle brigade of the Russian Federation is stationed, whose representatives applied because of the lack of ammunition. And when we look at the southern front, in my opinion, the enemy's defence is fragile. In any case, we see the enemy's tactical and operational reserves are deployed on the southern front. The ability to find new reserves is quite limited. Accordingly, now the only question is time regarding the grinding of Russian defence lines by our artillery. According to various estimates, this process can take from two to four months explained Sergei Zgurets, director of the information and consulting company Defense Express of Ukraine. According to him, the artillery will play a main role here. At the same time, cluster munitions will significantly help in destroying the defences of the invaders. Now we are talking about the fact that the first month has passed with the provision of tactical successes and in testing the stability of the Russian defence. Conclusions have been drawn, the hope to artillery is great. And this is what should ensure the future of the enemy's defence. And the use of cluster munitions will significantly help break through the enemy defences, said the military expert. Zgurets added that further developments will show how Russian units are able to withstand the pressure of the armed forces of Ukraine.