Barring last-minute nuclear deal, US and Russia teeter on brink of new arms race

An unarmed Trident II D5 missile is test-launched from the Ohio-class U.S. Navy ballistic missile submarine USS Nebraska off the coast of California, U.S. March 26, 2018. U.S. Navy/Mass Communication Specialist 1st Class Ronald Gutridge/Handout via REUTERS/ File Photo