It’s been tested at a range typical of intermediate-range missiles. “It is designed to carry a warhead weighing up to 1,200 kilograms, a payload equivalent to three Iskander missiles combined. The missile achieves speeds of Mach 5 or higher, making it extremely difficult to intercept with existing missile defence systems.” That is: A very big warhead that’s impossible for Ukraine to stop given current air defense systems. And it’s a system designed for a much more consequential east-west war. A message? EU Today, Russia’s Potential RS-26 Missile Strike