Making a Fresh START: Modernization and the Nuclear Treaty Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A Soviet SS-20 Nuclear Missile, as hosted at the National Air and Space Museum. The 16.5 meter rocket, when deployed, would carry two 250 kiloton nuclear warheads. ( ptufts / flickr ) Produced by Kateri A. Jochum Produced by PRI and WNYC