Inside the Ring: Russia builds up, U.S. down

As the Obama administration prepares to launch a new round of strategic nuclear missile cuts, Russia’s strategic nuclear forces are undergoing a major modernization, according to U.S. officials.

Russia's military announced last month that as part of the nuclear buildup, Moscow later this year will deploy the first of its new intercontinental ballistic missiles called the Yars-M.

Details of the missile are being kept secret, but it has been described as a fifth-generation strategic nuclear system that Russian officials say will be able to penetrate U.S. missile defenses using a new type of fuel that requires a shorter burn time for booster engines.

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