Check for these tags:
SpecialPower.ini: (in the superweapon)
RequiredScience = SCIENCE_DozerDrop
and from Science.ini:
Science SCIENCE_DozerDrop
PrerequisiteSciences = None
SciencePurchasePointCost = 0 ; note that this means "not purchasable", NOT "free"!
IsGrantable = Yes
DisplayName = SCIENCE:TempName
Description = SCIENCE:TempDescription
End
