HAVANA, June 12 (Reuters) - A Russian navy frigate and a nuclear-powered submarine churned into Havana harbor on Wednesday, a stopover the U.S. and Cuba said posed no threat but which was widely seen ...

HAVANA, June 6 (Reuters) - Cuba said on Thursday that Russian warships would arrive in Havana next week, but that the four navy ships carried no nuclear weapons and did not present a threat to the ...

A Russian nuclear-powered submarine will visit Havana next week, Cuba's communist authorities said on June 6. The nuclear submarine Kazan, which will not be carrying nuclear weapons, and three other ...