> But when your deployment costs run into the 7 to 10 digit numbers That's when you throw things into simulation and do some Hardware-in-the-Loop testing. If I

> But when your deployment costs run into the 7 to 10 digit numbers That's when you throw things into simulation and do some Hardware-in-the-Loop testing. If I learned anything from studying the failure of Ariane V flight 1, it's that while analysis can be useful, testing is usually even better. https://en.wikipedia.org/wiki/Cluster_(spacecraft)#Launch_failure https://en.wikipedia.org/wiki/Cluster_(spacecraft)#Launch_fa...