Russia has responded to the USA withdrawing from an arms  by announcing it would build  missiles. The USA suspended the Intermediate Nuclear Forces Treaty (INFT) on February 1st. Russia did the  the day after. In , Russian  stated that Russia's  would develop a "100 megaton nuclear doomsday device" in response to the USA . The INFT was signed in 1987 to limit the  of missiles that could hit European capitals. It banned  countries from using short- and medium-range .
Russia's media have written a  about the 100-megaton nuclear . They say it is too  for missile defense systems to spot. It is  enough to cause devastation and 100-meter tsunami , and create enough radiation to wipe out  for a thousand kilometers. One newspaper wrote: "One of the...warheads will sit off the US . Any US attack on Russia would be a  misadventure." The paper didn't mention the  of M.A.D. - Mutually Assured Destruction. This  sees both countries wiping each other out.