What is not required to be marked on video tapes containing classified information?

In the context of marking video tapes that contain classified information, certain marking elements are essential to ensure the security and proper handling of the material. The requirement that is not necessary to include is the director's name.

When handling classified information, it is crucial to mark the overall classification level to inform individuals of the sensitivity of the content. Additionally, the classification authority block identifies who authorized the classification and provides accountability. The nature of the content, which describes what the classified information pertains to, is also essential for understanding the context and significance of the classified materials.

Including the director's name, however, is not a standard requirement for marking classified video tapes. The marking focuses more on the classification and its handling rather than identifying the personnel involved in the production of the content. Hence, the absence of the director's name does not compromise the security protocol for classified information.