The main problem is: Did the PoW suffered crucial shortcomings in her underwater or armor deck defense producing her demise when attacked by IJN aviation on ten December 1941 ? This information requirements added citations for verification. Be sure to help increase this information by introducing citations to reliable sources. https://erickmnmkh.blogoscience.com/36567392/the-2-minute-rule-for-ratgeber-kurs-gewinn-verhältnis