 Echoes of the Cold War and Cuban Missile Crisis in October 1962. On Tuesday, Russian warships sailed less than 30 miles off Florida's south coast. U.S. intelligence assesses there are no nuclear weapons on board the ships. In Moscow, Russia's Foreign Minister Sergei Lavrov thanked his Cuban counterpart for taking Russia's side in Ukraine. Ukraine has sunk nearly half of Russia's Black Sea fleet in the past two years, including a prized submarine.