A brilliant captain figured out how to modify the names on the List of Aces. All you have to do is find the file and change their names. Here is the link that discusses it.
http://www.subsim.com/radioroom/show...34&postcount=1
I am confident that the same procedure can be applied to crew names. You have to open the data file and look for it. Try SH4/Data/UPCDate/UPCCrewData. That might do it.