Transcript for Russia holds largest military exercises since the Cold War

Hello I'm pressure regal with ABC news and I'm hit in the far east of Russia in the Siberian forest to a trust doctrine CA team. It's huge war games that being carried out by Russia. And it was rush assays of the biggest as ever done it is history. You can see behind me. He's he's the radar equipment that's because we are an anti aircraft exercise. Middle based dolby. It aircraft. Circling overhead and these pieces of equipment are being used. To track them. He knows the C. There are a lot of journalists there. That Russia has brought star witness the deck. Sizes. According to Russians paid immigrants then numbers. This treaty an enormous. Exercise code 300000. Personnel taking high. A thousand day crowds and 36000. Tanks and armored vehicles. But is unprecedented in scale according to the Russians. City at this excise that Rick price is the Soviet. Military drills who carried out at the heights. Of the Cold War. The last time there was a excise. This big. Tonight's an easy one though Russia's western border thousands of miles the other direction. Where we are right now. The purpose. Of these exercises. Is vested highly militarily. Designed train is stretched Russia's forces to help the prepare. Relies Delco placing third complex operations Russia's be undergoing a massive military modernization. For many years now. And as an intensified. Since the crisis that began. Resources invasion of Crimea about the 2014. But there is another purpose of these war games list send a message to the United States and today take countries. And it to a certain extent to intimidate them to make them worry they'll there was it's a political tool. It's intended to try and persuade Russia's opponents that they need to accommodate its interest more now as the reason. For all of this displayed. Maybe joining us I'm pressure rebuild it ABC news and she stepped Russia.

This transcript has been automatically generated and may not be 100% accurate.