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  2. Restricted Data - Wikipedia

    en.wikipedia.org/wiki/Restricted_Data

    In this way, a document, for instance, could be classified as "Secret" (S), "Secret//Restricted Data" (S//RD), or "Secret//Restricted Data-Critical Nuclear Weapon Design Information" (S//RD-CNWDI) depending on the type of information a document contains. Formerly Restricted Data (FRD) is a category also designated in the Atomic Energy Act of ...

  3. Classified information - Wikipedia

    en.wikipedia.org/wiki/Classified_information

    The term "Restricted Data" is used to denote certain nuclear technology. Information about the storage, use or handling of nuclear material or weapons is marked "Formerly Restricted Data". These designations are used in addition to level markings (Confidential, Secret and Top Secret).

  4. Classified information in the United States - Wikipedia

    en.wikipedia.org/wiki/Classified_information_in...

    The lower-level L clearance is sufficient for access to Secret Formerly Restricted Data and National Security Information, as well as Confidential Restricted Data and Formerly Restricted Data. [58] In practice, access to Restricted Data is granted, on a need-to-know basis, to personnel with appropriate clearances.

  5. List of U.S. security clearance terms - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._security...

    Q Clearance – Allows access to Classified information up to and including TOP SECRET data with the special designation: Restricted Data (TS//RD) and special Q-Cleared "security" areas. [citation needed]

  6. Sensitive compartmented information - Wikipedia

    en.wikipedia.org/wiki/Sensitive_compartmented...

    Very Restricted Knowledge (VRK) Exceptionally Controlled Information (ECI), which was used to group compartments for highly sensitive information, but was deprecated as of 2011. [8] SI-GAMMA (SI-G, SI-G-AAAA, AAAA represents 4 alpha characters to indicate sub Gamma compartments), which has subcompartments identified by four alphanumeric ...

  7. Sensitive but unclassified - Wikipedia

    en.wikipedia.org/wiki/Sensitive_but_unclassified

    PARD (Protect as restricted data) is an unclassified but sensitive marking used in the Department of Energy. It is the marking that was on Dr. Wen Ho Lee's program codes at Los Alamos National Laboratory. He (and many other scientists) backed up such data to tape.

  8. Q clearance - Wikipedia

    en.wikipedia.org/wiki/Q_clearance

    Q clearance or Q access authorization is the U.S. Department of Energy (DOE) security clearance required to access Top Secret Restricted Data, Formerly Restricted Data, and National Security Information, as well as Secret Restricted Data. Restricted Data (RD) is defined in the Atomic Energy Act of 1954 and covers nuclear weapons and related ...

  9. Special access program - Wikipedia

    en.wikipedia.org/wiki/Special_access_program

    It drops the "restricted" classification level. It removes classification authority from 28 government entities and limits its use in 17 more. There are now explicit guidelines for the remaining three classification levels to prevent a systematic flood of classified documents coming from the Pentagon and other agencies.