The CPSO will be responsible for the implementation, administration, and day-to-day execution of program security requirements while partnering closely with program leadership, security professionals, and government customers to ensure compliance and enable successful program execution. Volumes 1–4, applicable Intelligence Community Directives (ICDs), the Joint Special Access Program Implementation Guide (JSIG), DD Form 254 requirements, Security Classification Guides (SCGs) , and customer-specific security direction.