Burned through tens of billions and still went bankrupt collectively, only 2 out of 142 space rocket launchers remain: SPCX RKLB SpaceX holds over 50% of the global launch market. Musk's first principles and reusable rocket technology have slashed launch costs to the bone. Starlink dominates spectrum and creates a closed-loop ecosystem. Rocket Lab offers vertical integration and one-stop satellite services. Rocket launches are a zero-error-tolerance system—this moat is insanely deep!