The country was divided into ROC ‘groups’ and ‘Sectors’. Groups were made up of approximately 30 ROC posts, and Sectors were made up of 4-5 Groups. Each sector had a designated headquarters.
ROC Sector Operations Room
ROC Sector Operations Room
ROC Sector Operations Room
ROC Sector Operations Room
ROC Sector Operations Room
ROC Sector Operations Room
ROC Sector Operations Room
ROC Sector Operations Room
ROC Sector Operations Room
Sector HQ Teleprinter room
Triangulation team alcove
Post Display Plotters tote boards around the closed ops well (sector is below)
