Executive Order 13526 on classification authority
Source: Presidential executive order
Significance
Defines who can classify weapons programs and who has full access
Related Claims
Most classified leaks are inadvertent and result in administrative rather than criminal penalties
Use of special nuclear material for energy production is classified under Restricted Data
Sigma 1 classification covers 'hydrodynamic theory of operation' referring to magnetohydrodynamics and plasma
Sigma 11 covers 'inertial confinement fusion which reveals or is indicative of weapon data'
Other Evidence from This Source
Castle Bravo test results showing 6 to 15 megaton yield increase when lithium was added
documentDOE classification guidelines explaining paragraph-level classification marking system
documentAtomic Energy Act of 1954 Section 11Y defining Restricted Data
documentSigma category listings showing Sigma 1 (hydrodynamic theory) and Sigma 11 (inertial confinement fusion)
Evidence Details
- Type
- Documents & Publications
- Classification
- document
- Source
- Presidential executive order