uboatdata.ussleahy.comuboatdata.ussleahy.com/SYRETT/11-513244.pdfdirection finders were used by four...
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uboatdata.ussleahy.comuboatdata.ussleahy.com/SYRETT/11-513244.pdfdirection finders were used by four American destroyer escorts to hunt down a U-boat. 3. ... in the Indian Ocean at
