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breadcatcher101 · 12-02-08, 11:03 PM

Well if I recall, the first time it was used was in WW1 about 1917 to reduce the losses by the German U boats. This was shortly before America entered the war. I can't remember the exact date. You mean WW2 anyway. Not too sure on that one.

12-02-08, 11:03 PM	#2
breadcatcher101 Captain Join Date: Sep 2008 Location: Southeastern USA Posts: 546 Downloads: 1 Uploads: 0	Well if I recall, the first time it was used was in WW1 about 1917 to reduce the losses by the German U boats. This was shortly before America entered the war. I can't remember the exact date. You mean WW2 anyway. Not too sure on that one.