They never spoke of what they did. Their quiet but heroic acts of bravery, their pioneering role as women of the special forces remains largely unacknowledged - yet they formed the backbone of the most secretive military intelligence organisation since the Second World War.
Shut out of both the Special Air Service and Special Boat Service, banned from serving on the front lines, the women of 14 Intelligence Company walked the streets of Belfast and carried out surveillance from unmarked cars to build enough intelligence to take down paramilitary groups.