Russia is working on the S550 That Can Hunt ICBMs

It’s important to note that even a limited ICBM defense could potentially thwart a small-scale nuclear attack by a great power. Such an attack might be designed to achieve limited military objectives or serve as a political demonstration. According to RIA Novosti sources, the S-550 is the first road-mobile system capable of reliably neutralizing ICBMs. They even assert that it outperforms the US’s THAAD and Aegis with SM-3 Block llB missiles.