ok. changed both directories. Even used an existing squadron in linebacker and just updated with mod craft, but still not seeing in campaign; so I tried a scenario: 
 After editing these two directories and saving, I then deleted the extracted files. Then, using the SFP1 extractor, I extracted the _CAT file again, only to see the default F-4 squadron. Apparenlty, the step I'm missing is to re-compile the .ini file, is this correct? and if so, how do I recompile so that the new .ini files are added? 
  
  
Linebacker II.ini 
  
[uSAFUnit001] 
UnitName=666FW 'Satan's f***ers' 
ForceID=1 
UnitID=1 
StartDate=1972 
DescFile=wovL2Start.txt 
StartText=wovL2Start1.txt 
  
  
WOVCAMPL2_DATA.ini (also copied into WOVCAMPL1_DATA.INI) 
  
//----- Player Unit 
[AirUnit001] 
AircraftType=F-15C 
Squadron=666FW 
ForceID=1 
Nation=USAF 
DefaultTexture=USAFtng1 
BaseArea=Udorn RTAFB 
BaseMoveChance=0 
RandomChance=100 
MaxAircraft=16 
StartAircraft=16 
MaxPilots=16 
StartPilots=16 
Experience=100 
Morale=100 
Supply=50 
MissionChance[sWEEP]=90 
MissionChance[CAP]=90 
MissionChance[iNTERCEPT]=90 
MissionChance[ESCORT]=70 
MissionChance=50 
MissionChance[CAS]=50 
MissionChance[sEAD]=50 
MissionChance[ARMED_RECON]=25 
MissionChance[ANTI_SHIP]=0 
MissionChance[RECON]=70 
UpgradeType=NEVER 
(deleted for forum)