There are two options, in your campaign data.ini add the line "AllowRandomAceCreation=TRUE" in every force or creating an ace in the air unit....
[Force001]
Alignment=FRIENDLY
Nation=USAF
BaseArea=Bonn
AirOffensive[001].Primary=LARGE_RUNWAY,MEDIUM_RUNWAY
AirOffensive[001].Secondary=WAREHOUSE
AirOffensive[002].Primary=COMM_BUILDING,EW_RADAR
AirOffensive[002].Secondary=LARGE_RUNWAY,MEDIUM_RUNWAY
AirOffensive[003].Primary=FUEL_STORAGE,AMMO_STORAGE,WAREHOUSE
AirOffensive[003].Secondary=LARGE_RUNWAY,MEDIUM_RUNWAY
AirOffensive[004].Primary=COMM_BUILDING,EW_RADAR
AirOffensive[004].Secondary=LARGE_RUNWAY,MEDIUM_RUNWAY
AirOffensive[005].Primary=FUEL_STORAGE,AMMO_STORAGE,WAREHOUSE
AirOffensive[005].Secondary=LARGE_RUNWAY,MEDIUM_RUNWAY,COMM_BUILDING,EW_RADAR
AirOffensive[006].Primary=LARGE_RUNWAY,MEDIUM_RUNWAY
AirOffensive[006].Secondary=COMM_BUILDING,EW_RADAR,FUEL_STORAGE,AMMO_STORAGE,WAREHOUSE
AirOffensive[007].Primary=BRIDGE
AirOffensive[007].Secondary=COMM_BUILDING,EW_RADAR,FUEL_STORAGE,AMMO_STORAGE,WAREHOUSE
AirOffensive[008].Primary=BRIDGE
AirOffensive[008].Secondary=LARGE_RUNWAY,MEDIUM_RUNWAY,COMM_BUILDING,EW_RADAR
AirOffensive[009].Primary=COMM_BUILDING,EW_RADAR
AirOffensive[009].Secondary=LARGE_RUNWAY,MEDIUM_RUNWAY,FUEL_STORAGE,AMMO_STORAGE,WAREHOUSE
AirOffensive[010].Primary=ANY
AirOffensive[010].Secondary=ANY
StartGroundOffensive=5
StartInterdiction=0
Morale=100
Supply=70
NormalSupplyRate=27
OffensiveSupplyRate=-10
DefensiveSupplyRate=-3
SupplyForOffensive=60
AircraftReplacementTime=15
AircraftReplacement=30
GroundUnitReplacementTime=15
GroundUnitReplacement=100
RandomTransportType=ANY
WeaponResupplyTime=7
StartAirDefenseLevel=3
AllowRandomAceCreation=TRUE
//----- Player Unit
[AirUnit005]
AircraftType=F-105D
Squadron=22TFS
UnitName=22nd TFS 'Stingers'
ForceID=1
Nation=USAF
DefaultTexture=USAFSilver1
Startnumber=1
BaseArea=Bitburg Airbase
BaseMoveChance=0
RandomChance=100
MaxAircraft=16
StartAircraft=16
MaxPilots=16
StartPilots=16
Experience=100
Morale=100
Supply=50
Intelligence=40
MissionChance[sWEEP]=0
MissionChance[CAP]=0
MissionChance[iNTERCEPT]=0
MissionChance[ESCORT]=0
MissionChance=80
MissionChance[CAS]=25
MissionChance[sEAD]=25
MissionChance[ARMED_RECON]=25
MissionChance[ANTI_SHIP]=0
MissionChance[RECON]=0
UpgradeType=NEVER
KnownAce[01].LastName=Kasler
KnownAce[01].FirstName=James
KnownAce[01].RankID=5
KnownAce[01].NumMissions=150
KnownAce[01].AirKills=6
KnownAce[01].AircraftNumber=60-0490