A TS/SCI full-scope clearance refers to a comprehensive security clearance that combines Top Secret (TS) clearance with Sensitive Compartmented Information (SCI) access. It is the highest level of security clearance granted by the U.S. government and is typically required for individuals who need access to highly classified information that is compartmentalized and subject to stringent access controls.

Here’s a breakdown of the components of a TS/SCI full-scope clearance:

1. Top Secret (TS) Clearance: TS clearance grants access to information that, if disclosed improperly, could cause exceptionally grave damage to national security. Individuals with TS clearance undergo a thorough background investigation, including interviews with references, employers, and family members. They are expected to demonstrate trustworthiness, reliability, and loyalty to the United States. TS clearance is a prerequisite for the SCI access component.

2. Sensitive Compartmented Information (SCI) Access: SCI access refers to access to classified information that is compartmentalized into specific compartments or programs beyond the scope of standard Top Secret clearances. SCI information is highly sensitive and often involves intelligence sources, methods, and operations. Access to SCI information requires additional scrutiny and security measures, including specific need-to-know criteria, indoctrination into SCI programs, and signing additional security agreements.

3. Full-Scope: The term “full-scope” indicates that the individual’s background investigation is extensive and covers a broad range of personal, criminal, financial, and employment history. It may involve interviews with a wide range of individuals who are familiar with the applicant’s background and character. The full-scope investigation aims to provide a comprehensive assessment of an individual’s suitability for access to highly classified information.

Clearances at the TS/SCI level are typically required for individuals in sensitive national security positions, such as intelligence officers, military personnel involved in classified operations, certain defense contractors, and other personnel working on projects or programs critical to national security.

It’s important to note that access to SCI information is highly restricted and is based on a strict need-to-know principle. Only individuals who have been specifically granted access and have a legitimate need for the information are authorized to view or handle SCI materials. Violations of the access controls or mishandling of SCI information can result in severe consequences, including criminal charges and loss of security clearance.

The granting of a TS/SCI full-scope clearance involves a comprehensive evaluation of an individual’s trustworthiness, loyalty, and suitability for accessing highly classified information. It is a rigorous process that aims to ensure the protection of national security interests and the integrity of sensitive information.