@Adriatico
What version of OHII are you using

It must be an old one.
Here is the campaign info for that objective in v2.2
[Campaign.CampObj.MacroObj 2]
ObjectiveID=HT_Strategic_Supplies
Name=Campaign.CampObj.MacroObj 2.Name
MapZone=Strategic_Supplies
ValuePointsProvided=2
FurtherInfo=Campaign.CampObj.MacroObj 2.FurtherInfo
StartDate=19401101
EndDate=19410301
IsCompleted=false
IsFailed=false
AssocMissionsActive=
AssocMissionsCompleted=
ObjActivationAchievements=OBJ War Supplies,OBJ HTWA
So my post 2 was correct after all - I will change it back