The Soviet K-219 nuclear ballistic missile submarine sank in the North Atlantic off the coast of Bermuda in October 1986. The Yankee-class submarine rests 18,000 feet down. Its nuclear reactor and ...

If the Soviet Navy’s base at Cienfuegos, Cuba, had been fully established before the Nixon administration intervened to stop it, these submarines would have been operating just off American shores.

In 1970, U.S. intelligence discovered suspicious construction at Cienfuegos Bay in Cuba and quickly concluded the Soviets were building a base for nuclear missile submarines. The threat was seen in ...