Pretty interesting article. Interestingly, they never discussed: how would you find a submarine to bomb in the first place? There's a great book called "Blackett's War" [0] that discusses how Patrick Blackett [1], an experimental physicist, helped the allies win WWII in a variety of ways, most notably by answering that question using statistics to better inform aerial bombardment of German U-boats. Blackett is the father of what is now known as "operations research" [2]. The book is absolutely worth reading if you have the time.

[0]: http://www.amazon.com/Blacketts-War-Defeated-U-boats-Brought...

[1]: http://en.wikipedia.org/wiki/Patrick_Blackett,_Baron_Blacket...

[2]: http://en.wikipedia.org/wiki/Operations_research