National Industrial Security Program. Operating Manual Supplement,

This Supplement to the National Industrial Security Program Operating Manual NISPOMSUP provides the enhanced security requirements, procedures, and options to the National Security Program Operating Manual NISPOM for critical restricted data RD classified at the Secret and Top Secret levels, special access programs SAPs and SAP-type compartmented efforts established and approved by the Executive Branch, sensitive compartmented information SCI or other DCI SAP-type compartmented programs under the Director of Central Intelligence which protect intelligence sources and methods, and acquisition, intelligence, and operations and support SAPs.