Too lazy/tired to look through thread real quick.
Another exploity sort of bug/feature/mechanic is sturmtiger reloading.
Sturmtigers have a very high probability to be decrewed while reloading, though if recrewed are fully reloaded no matter how soon after.
>Be OKW
>has sturmtiger and volks
>blow my massive load
>start reload in front of ally scum
>sacrific crew for glory of fatherland
>recrew with sick children and the elderly
>fire again
>lather rinse repeat
>cull the heard of weak and old and destroy the enemy at same time
you can also use the elite crew repair ability to the same effect while keeping vet. particularly relevant given that IVJ and Stiger are being swapped soon(tm)