It sounds like they did threaten to move troops to both places you listed, but it didn't get much of a reaction: https://thehill.com/policy/defense/589595-russi

It sounds like they did threaten to move troops to both places you listed, but it didn't get much of a reaction: https://thehill.com/policy/defense/589595-russia-suggests-military-deployments-to-cuba-venezuela-an-option https://thehill.com/policy/defense/589595-russia-suggests-mi... They did have an intelligence base in Cuba until 2002, and I don't believe anyone particularly cared.