Russia has secretly deployed a new cruise missile that American officials say violates a landmark arms control treaty, posing a major test for President Trump as his administration is facing a crisis over its ties to Moscow. The ground-launched cruise missile at the center of American concerns is one that the Obama administration said in 2014 had been tested in violation of a 1987 treaty that bans American and Russian intermediate-range missiles based on land.
Russia Deploys Missile, Violating Treaty and Challenging Trump
