[sublynx]

Other positive aspects of zombie crewmen:

* if they get sunk, who cares, they were dead and buried years ago - there'll be no mourning for the fallen and therefore no noticeable moral drop on the relatives of the zombies
* if they are forced to surface and then taken as POW's, the enemy has to be extra careful about prison camp arrangements - if not, there might be a zombie contagion in enemy areas. Churchill, Roosevelt and Stalin might get bitten by a runaway zombie, leading to major malfunctions in the strategic decision making capabilities of the allied leaders