The U.S. Armed Forces has used the Social Security number as an identification number for the Army and Air Force since July 1, 1969, the Navy and Marine Corps since January 1, 1972, and the Coast Guard since October 1, 1974. Previously, the United States military used a much more complicated system of service numbers.
| Share | Cite. Cameroon (kÄmËÉrÅnË) [ key ], Fr. Cameroun, officially Republic of Cameroon, republic (2005 est. pop. 16,380,000), 183,568 sq mi (475,442 sq km), W central Africa.
Bright Future Dir. Climate & Temperature > Cameroon Climate. Of the land area, 23.7% has a tropical rainforest climate (Af), 67.5% has a tropical wet and dry/ savanna climate (Aw), 7.4% has a semi-arid/ steppe climate (BS), 1.3% has a arid/ desert climate (BW).