2 ms·

While I can understand the basic philosophy, it seems an unfortunate example to pick something that had 2 catastrophic failures out of 135 launches. Although,

• zrail 8y ago
  There were many other close calls, most having to do with the thermal system on the external tank, which is what damaged Columbia. It was a known issue for almost the entire program. As you said, nothing having to do with the control system.