Top Secret (disambiguation)

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A page from a U.S. National Security Agency document that was once classified Top Secret. It has since been released to the public, with some information removed.
A page from a U.S. National Security Agency document that was once classified Top Secret. It has since been released to the public, with some information removed.

Top Secret is the highest acknowledged level of classified information in many countries, where it is defined as material that would cause "exceptionally grave damage" to national security if disclosed. The term top secret can be applied to information, actions, organizations, projects, etc. of which any knowledge is highly restricted.

Other uses include:

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