Russian President Vladimir Putin arrived at Russia's largest-ever military exercises, the Vostok-2018, which started in the Trans-Baikal Region on Thursday. Russia's Vostok-2018 strategic drills, which will last from Sept. 11 to 17, is reported to be Russia's largest drill since 1981. More than 300,000 Russian troops, 36,000 military vehicles, and over 1,000 aircraft are involved in the drills. It’s also China’s largest overseas military drill.