A woman is set to appear in court on Friday morning charged with offences linked to seizures in north Belfast and newtownabbey.
Drugs, firearms and ammunition were seized on April 1.
The accused, aged 51, is expected to appear at Belfast Magistrates Court.
She has been charged with conspiracy to supply Class A and Class B drugs, conspiracy to possess firearms and ammunition and possession of Class B drugs.
The PSNI said: “Two men have already appeared in court on charges linked to the same investigation by detectives from Reactive and Organised Crime Branch. As is normal procedure all charges will be reviewed by the PPS.”