'target acquisition system' of the XXI
Anyone notice how the description for the default sonar set given to type XXI's says that it can estimate a target's speed? I've been reading a book:
ttp://rapidshare.de/files/12143977/History_of_the_Kriegsmarine_U-Boats.pdf.html
and it says the submarine was, "...fitted with a target acquisition system to attack Allied ships without surfacing." Is this just another feature which was left out of the end game? Can anyone tell me how tis 'targeting system' would have worked?
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