History
Fulfilling one of the promises made in his first national address as president, in June 1986, Ibrahim Babangida issued Decree Number 19, dissolving the National Security Organization (NSO) and restructuring Nigeria's security services into three separate entities under the Office of the Co-ordinator of National Security. * State Security Service (SSS) – Responsible for domestic intelligence * National Intelligence Agency (NIA) – Responsible for foreign intelligence and counterintelligence operations * Defence Intelligence Agency (DIA) – Responsible for military intelligence.Directors General of the NIA
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