National Background Investigations Bureau
type: Class
alternative label: 国家背景调查局
subclass of: R8A63d298A6d8CDA6801B23d
hidden label: NBIB
definition: The National Background Investigations Bureau (NBIB) is a semi-autonomous U.S. Government agency housed within the United States Office of Personnel Management (OPM) that is responsible for conducting security clearance investigations into individuals who need to hold security clearances for employment purposes.