We have multiple hints in the text which lead to Fidel castro and cuba 1) in the mountains, just us 3 - Castro fled with Che Guevara and his brother into the Sierra maestro mountains 2) stars symbolized castro 3) will they find us - cubas president looked for castro when a coup failed 4) we have nothing as defense - Castro didn't have any weapons after they fled 5) the plan failed should be clear by now 6) won at the very end, Castro was president of Cuba and I think the son of his brother is president right now 7) as mentioned in the answer Russia supported Cuba against the US