> The lesson I take from this is that the Shuttle should have been killed on the drawing board, never flown. Exactly, yes. The design should have been revised

> The lesson I take from this is that the Shuttle should have been killed on the drawing board, never flown. Exactly, yes. The design should have been revised until they weren't pushing safety margins so hard. Of course, that would have been an engineer-led approach, which is the opposite approach from the one they used.