This is natural. It's a little-known fact that ships are actually a form of reptile, and therefore need to shed their skins on a regular basis. By torpedoing them, you're helping them get the old skin off.
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A U-Boot is a very Schrodingerian thing, being either unobserved or dead
Although it is only dead if observed by SOME observers, which is a very interesting problem of quantum physics, jawohl!
-Sea Skimmer
