The Russian weapons Ukrainian soldiers most fear, according to an expert

• Russia has learned from past mistakes and improved its weapons and tactics. 
• An analyst identified three key weapons that have been vital in its war against Ukraine. 
• Ukraine recently breached Russia's defenses with vehicles for the first time, according to reports. 

Ukraine appears to have made an important breakthrough in its counteroffensive against Russia with reports suggesting it has breached Russia's defensive line with vehicles for the first time.