The forerunner of the Nigerian Army Intelligence Corps (NAIC) was the Field Security Section (FSS) of the Royal Nigerian Army, which was established on 1 November 1962 with Captain PG Harrington (BR) as General Staff Officer Grade Two (GSO2 Int). The FSS was essentially a security organization whose functions included vetting of Nigerian Army (NA) personnel, document security and counter intelligence.
The predecessor of the Nigerian Army Intelligence Corps (NAIC) was the Field Security Section (FSS) of the Royal Nigerian Army, which was founded on November 1, 1962, with Captain PG Harrington (BR) as GSO2 Int. The FSS primarily served as a security unit responsible for vetting NA personnel, safeguarding documents, and counterintelligence.