[Strategerist]

She was a remarkable piece of naval construction based upon a WWI design.

And riddled with egregious design flaws.

[DarthVader]

1 flaw that cost her. She had three screws with two rudders instead of four. If she had four screws and sustained the damage she did from the TP she could have been steered by using the outermost screws and not steam in circles like she did.