- Putin’s ‘Invincible’ Missile Is Aimed at US VulnerabilitiesNew York Times
- Experts Aghast At Russian Claim Of Nuclear-Powered Missile With Unlimited RangeNPR
- Putin claims Russia has nuclear arsenal capable of avoiding missile defensesPittsburgh Post-Gazette
- Putin unveils new Russian nuclear missile, says it renders defenses ‘useless’NBCNews.com
- Commentary: Putin’s nuclear-tipped hybrid war on the WestReuters