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U-156 (U-boat)
<![CDATA[<br>Source: Wikipedia article <a href="https://en.wikipedia.org/wiki/Werner_Hartenstein#mw-content-text">Werner Hartenstein</a>]]>
First patrol
WFB 33 (weather buoy)
<![CDATA[<br>Source: Wikipedia article <a href="https://en.wikipedia.org/wiki/Werner_Hartenstein#cite_ref-13">Werner Hartenstein</a>]]>
WFB 32 (weather buoy)
<![CDATA[<br>Source: Wikipedia article <a href="https://en.wikipedia.org/wiki/Werner_Hartenstein#cite_ref-13">Werner Hartenstein</a>]]>
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