IN A NUTSHELL 🚀 The SR-72 “Darkstar” is designed to reach hypersonic speeds of up to Mach 6, vastly surpassing its predecessor, the SR-71 Blackbird. 🔧 Equipped with a revolutionary Turbine-Based Combined Cycle (TBCC) propulsion system, it efficiently transitions from subsonic to hypersonic velocities. 🛡️ Combining speed and stealth, the SR-72 can penetrate heavily defended … Continue reading Unreachable, Unstoppable, Unseen—America’s Mach 6 SR-72 Darkstar Sends a Terrifying Strategic Signal to Russia’s Forces