Postage stamps and postal history of Nigeria the British Commonwealth and a new definitive set was issued on 1 November 1965. Between 1960 and 1961 Nigerian definitives of 1953-57 were overprinted "CAMEROONS/U.K.T.T." for use in Southern Cameroons of the British Mandate territory of British Cameroons. This issue was also valid for use in Northern Cameroons until it joined Nigeria. In 1961, Southern Cameroons became part of Cameroon. Between 30 May 1967 and 15 January 1970, the region of Biafra attempted to secede from Nigeria and issued their own postage stamps. Eventually, after a bloody civil war they rejoined Nigeria. Postage stamps and postal history of Nigeria This
State Security Service (Nigeria) dignitaries. Other vehicles mainly SUVs produced by Ford Motor Company are also used by the agency. State Security Service (Nigeria) The State Security Service (SSS), self-styled as the Department of State Services (DSS), is the primary domestic intelligence agency of Nigeria. It is primarily responsible for intelligence gathering within the country and for the protection of senior government officials, particularly the President and state governors. It is one of three successor organisations to the National Security Organization (NSO), dissolved in 1986. The SSS operates as a department within the presidency and is under the control of the National Security Adviser.