: Use earned points to research new helicopters in the tech tree. You must unlock helicopters in sequential tiers (Tier 1 through Tier 4).
As the eras shifted, the stakes rose. Elias moved into the Cold War powerhouses. He traded his transport for a Soviet Mi-24 Hind —a "flying tank" that could carry both troops and a devastating array of rockets. He learned the hard way that flares (the "Q" key) were no longer optional; without them, the first MANPADS missile would turn his multi-million ruble investment into scrap metal. heliborne unlock all helicopters verified