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top-secret

containing information whose disclosure would cause exceedingly grave damage to the nation and therefore classified as needing the highest level of secrecy and security
References in periodicals archive ?
For example, only those holding a secret or top secret clearance, and the critical nuclear weapon design information designation, are allowed to access information related to many aspects of the operation and design of nuclear weapons.
But he added: "It remains the case that the Foreign and Commonwealth Office (FCO) is still unable to confirm the existence or destruction of 170 boxes of Top Secret colonial administration files known to have been returned to the UK.
In her latest exciting adventure, King Neptune has been having nightmares he doesn''t understand and so sends Emily and Aaron on a top secret mission to the Land of the Midnight Sun.
She said: "It's so top secret, I'd be shot tomorrow if I went back having told you.
Based in Central London and open until January 22nd, it showcases the retailer's Top Secret products which offer 4 and 5 star luxury for 3 star prices.
Top Secret deals are also available on restaurants, so you can bag yourself a meal at a London Michelin star venue for under pounds 30.
Prime Minister Gordon Brown has presented Margaret with a rare and special personal honour of recognition for her top secret war work.
From old traditions to new doctrines and the differences between them, TOP SECRET is a fine pick for both new age and spirituality collections.
YOUR article (May 26) about a Welsh model being invited to strut her stuff at a meeting of the top secret Bohemian Grove society was very interesting; most senior politicians are members of one or another of these secret societies.
I don't know much about his work there because it is top secret.