Imagine you are Lieutenant William Outerbridge, skipper of the destroyer, the Ward. You've just received the following signal from minesweeper Condor: "Sighted submerged submarine on a westerly course, speed nine knots." You have only a few moments to decide what to do. Make a list of the reasons why you should attack and another list of why you shouldn't. What would happen if you did attack? What would happen if you didn't?