Final answer:
The correct form for the personal reliability screening process in a military context when authority is delegated by a unit commander to personnel is Form SF-86. This form is used for security clearance background checks and it collects detailed personal information. B is the correct answer.
Step-by-step explanation:
The form used to perform personal reliability screening process when a unit commander delegates authority to personnel is Form SF-86, also known as the Questionnaire for National Security Positions.
This form is a comprehensive document required for personnel seeking security clearances. It is used to gather information that will be checked against various databases and used in the background investigation process.
Form SF-86 collects extensive personal information, including past residences, employment history, foreign travel, financial records, and personal contacts. This thorough vetting ensures that individuals with access to sensitive materials are trustworthy and have no compromising factors that might affect their reliability.