US vessels have been making frequent calls. The island also hosts US surveillance planes.
Russia sent two long-range bombers to Venezuela Wednesday and will send warships and soldiers for joint exercises in November.
Officials in Moscow deny any link between the conflict in Georgia and the Caribbean exercises.
Unique, vast cold-water corals contain unknown species, tropical hues – and unexploited stocks of fish.
The Putin generation is often worldly, optimistic, and enthusiastic about democracy – as they define it.