e-mail 302 shares 418 View comments A Russian frigate carrying 'unstoppable' Mach 9 nuclear-capable hypersonic cruise missiles has deviated from its course and is sailing towards the US coast, reports have claimed. The Admiral Gorshkov, armed with Zircon missiles which Vladimir Putin boasts has 'no equivalent in the world', is being closely monitored by NATO navies during its maiden voyage. Earlier this month, the frigate was escorted through British waters by the Royal Navy, and French and Spanish ships then escorted it through the Atlantic. It was scheduled to head south past South Africa to the Indian Ocean then enter...