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.
The monkey puzzle is a very striking tree which is native to central Chile. The tree has horizontal branches and occurs naturally in sub-tropical regions of South America and the islands of Oceania. The Chile pines are valued for their excellent quality wood which is used for building.he floss silk tree (Ceiba speciosa, formerly Chorisia speciosa). The floss silk is a species of deciduous tree native to the tropical and subtropical forests of South America. It has a host of local common names, such as palo borracho (in Spanish literally âdrunken treeâ).