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02-29-16, 12:56 AM | #1 |
Willing Webfooted Beast
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When did the KDB hydrophone enter service?
So yeah, when did the KDB enter service? And which U-boats actually used it?
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02-29-16, 02:33 AM | #2 |
Gefallen Engel U-666
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http://www.cdvandt.org/GHG1996.pdf Cannot find KDB info but several top secret Brit reports indicate that several u-boats discarded KDB and returned to GHG... A rotatable base system was first introduced in 1918 until 1925 (pg 4 of link) The krauts were way ahead of Britain and the US in passive crystal in-hull receptor arrays.
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