Why S-400 missile system a threat for China and Pakistan
S-400 missile system is raising tensions for China-Pakistan. This is beacuse, S-400 is a very advance and potent air defence system. It is designed to shoot down any incoming aerial threats. Regardless, the aerial threat being stealthy. In October 2018, India signed a multi-billion dollar deal with Russia. The deal to procure 5 units of…