SSN
From Wikipedia, the free encyclopedia.

• SSN is an acronym for 'Social Security Number', used by Social Security (United States).
• It is also the hull classification symbol used by the United States Navy for an attack submarine that is propelled by nuclear energy, such as the Los Angeles-class attack submarines of attack submarines.

See also: SS, SSBN, Submarine

The original article can be found at: http://en.wikipedia.org/wiki/SSN.
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