New massive attack! How Russian troops deceive Ukraine's air defense

New massive attack! How Russian troops deceive Ukraine's air defense.
On the morning of October 13, Russia continued to launch missile strikes on Ukraine's energy infrastructure. And the day before, the Russian Armed Forces fired more than a hundred long-range missiles at targets in Ukraine - this has not happened for a very long time. What do these strikes mean from a military point of view, what effect will they have, and why was Ukraine's air defense unable to cope with them?