See, just to make it clear to anybody who hasn't watched that already, hanging below "eve" is "unity." latched beneath the wing. at 50,000 feet, you'll hear the pilots going through a series of checklists, l 10, l 9, l 8, l stands for launch. literally, they're going through the checklist. when they get to the bottom you'll see them release unity. unity doesn't drop very far. eve pulls away, then unity lights the rocket, the rocket that will carry them up towards 50,000 feet at mach iii. we mentioned it earlier, but this is a hybrid motor that uses both solid and liquid propellants. when they ...