Top Secret Definition - MilitaryDictionary.org
1.) Security classification that shall be applied to information, the unauthorized disclosure of which reasonably could be expected to cause exceptionally grave damage to the national security that the original classification authority is able to identify or describe.
In the United States, military vocabulary is standardized by the Department of Defence. These terms are used by the United States Army, Navy, Air Force, and Marine Corps.
Department of Defence, Dictionary of Military and Associated Terms
This term is marked as active and was last updated in 2015
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