The charges are in connection with an ongoing terrorism investigation following a series of intelligence-led searches in Derry last week.
A 26-year-old woman and a 48-year-old man have both been charged with offences for possession of firearms and explosives.
They are both due to appear before Derry Magistrates’ Court today, Tuesday, September 12, for a first remand hearing.
As is usual procedure, all charges will be reviewed by the Public Prosecution Service.
Meanwhile, two men aged 22 and 41, have both been released from police custody.They will be reported to the Public Prosecution Service in due course.
A 43-year-old man remains in custody at this time while enquiries are continuing.