“ Russia is ready to sell China its state-of-the-art S-400 missile system. Japan is worried by the prospect, fearing it could undermine its security amid an ongoing territorial dispute surrounding the Senkaku Islands, known as the Diaoyu Islands in China. Russia’s business daily Vedomosti reported last November that Moscow was in the process of selling S-400 anti-aircraft missiles to China.” “ Moscow, however, had been reluctant to deliver the system to China. It was concerned that Beijing would buy only a small number of the coveted system with the intent of disassembling it and learning how to build it.” “ Although Moscow and Beijing have yet to officially announce the deal, it seems almost certain that they have agreed on the sale, which Tokyo fears may upset the subtle military balance in the East China Sea. If the deal is finalized, China will become the first foreign country to buy the S-400 missile system.” “ The 400-kilometer-range system will, fo