You can change your sub and SS-xxx in documents/sh4/data/cfg/SaveGames/(savefolder)

in ActivePlayerUnits

[UserPlayerUnit 1]
ID=Gato
NameDisplayable=Gato Class
UnitName=USS Grouper (SS-214)
UpgradeClass=2
Type=Gato
UnitInterval=1941-12-31 00:00:00, 1967-06-01 00:00:00
ExternalClassName=SSGato
Nationality=American
Evolution=Normal
Damage=0.000000
TextureName=data/Submarine/NSS_Gato/NSS_Gato_T01.tga
LightmapTextureName=data/Submarine/NSS_Gato/NSS_Gato_O01.tga
NormalmapTextureName=NULL
MenuSilhouetteTextureName=Gato_Class_01.tga
MaxOfficers=12
MaxPettyOfficers=41
StartUserPlayerUnitMissionDateTime=1941-12-06 08:00:00
CurrentUserPlayerUnitMissionDateTime=1941-12-06 08:00:00
SilentState=false

and in CareerTrack: look for this type of entry:

[CareerTrack 1.CareerStatusSave 42]
ID=ID
Reason=CSS_OfferNewCommand
NameDisplayable=
CurrentDate=1942-06-26 06:23:50
OfferedUserPlayerUnitIDLink=Porpoise

[CareerTrack 1.CareerStatusSave 43]
ID=ID
Reason=CSS_NewCommand
NameDisplayable=USS Gato (SS-212)
CurrentDate=1942-06-26 06:23:50
UserPlayerInstanceDisplayableName=USS Grouper (SS-214)
UserPlayerUnitIDLink=Gato

Thanks
 

Thanks for posting this. I managed to sort it out.:salute: