The soviet space program stalled on N-1 because this approach (*integrated* move-fast-break-things testing) turned out to be unviable once there are too many fa

The soviet space program stalled on N-1 because this approach (*integrated* move-fast-break-things testing) turned out to be unviable once there are too many failure points. And the engineers were well aware of that and proposed to do static fire tests, but that was not in the budget.