What criteria must be met for an individual/unit to pick up classified material?

The correct choice indicates that specific criteria must be adhered to in order for an individual or unit to pick up classified material. Being "designated in writing" ensures that there is formal documentation confirming that an individual is authorized to handle classified materials, minimizing the risk of unauthorized access. The requirement for a "courier card" serves as an identification tool specifically tailored for individuals engaged in the transportation of classified materials, verifying their right to access such sensitive information. Finally, using a "Government vehicle" helps maintain the security protocols surrounding the transport of classified materials, ensuring that they are moved in a controlled and secure manner.

These elements collectively reinforce proper handling and protection protocols for classified materials, ensuring compliance with security regulations and minimizing the risk of breaches. Other options either lack sufficient focus on the specific protections and authorizations necessary for handling classified materials or introduce different elements that do not align with the primary criteria for authorization and security in this context.