Failure to adapt their doctrine (like reporting on radio daily), trying to make wolf packs work when clearly they just didn't most of the time played a role.
Failure to consider that their codes had been compromised played a very large role.
The biggest problem (oddly enough) was basically a technology gap brought on by a failure to see where ASW technology was headed as the war began. They needed Type XXI's by 1942. Type XXI's coupled with decent homing torps would have been a war winning combination imho.
|