“The Russian government daily Rossiyskaya Gazeta reported that to achieve ‘extensive radioactive contamination’ the weapon ‘could envisage using the so-called cobalt bomb, a nuclear weapon designed to produce enhanced amounts of radioactive fallout compared to a regular atomic warhead,'” Schneider said.

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Retired Air Force Gen. Robert Kehler, former commander of the U.S. Strategic Command, has said development of the underwater nuclear strike vehicle is one element of a “troubling” Russian strategic nuclear buildup.

Rep. Mike Rogers (R., Ala.), chairman of the House subcommittee on strategic forces, has said that the Russians assert the nuclear drone submarine will be used to target coastal areas …