Security ... think about it!
XCOR’s longest-running rocket underwent 2,000 test firings before the team deliberately killed it by shutting off its cooling to see how it would have responded without it. That 2,000 firing number is important to keep in mind, considering the Lynx rocket isn’t a throwaway propulsion device, but one that’s integrated directly into the craft, which the company intends to launch multiple times a day once it’s operational.