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.
River Rock (Buffalo 3Ã5, Rip Rap, Missouri Oversize, Cobblestones) Kansas Flagstone . 4) Water Gardens/Features Water gardens/features are economical and easy to install. They are also able to support unique water-based plant life that would be extremely difficult to maintain on their own.