Final answer:
The correct term for the screening of non-passenger vehicles, their occupants, and personal belongings is 'Vehicle screening'. It is a crucial part of transportation security, aimed at detecting security threats.
Step-by-step explanation:
The correct term for the screening of non-passenger vehicles, their occupants, and personal belongings is 'Vehicle screening'. It is a crucial part of transportation security, aimed at detecting security threats. The screening of non-passenger vehicles, its occupants, and their personal belongings is a comprehensive security measure used to ensure the safety of transportation systems. Among the options provided, the correct term for this process is Option 3: Vehicle screening. This process can involve thorough checks of the vehicle and may include the use of advanced equipment such as gamma ray, x-ray, or neutron-scanning devices to reveal the contents of trucks and cars, ensuring illegal items or substances are not being smuggled and assessing any potential security threats.