When formation break up is requested, what must be issued to ensure separation?

When formation break up is requested, it is essential to issue instructions and clearances to ensure proper separation among the involved units or personnel. This is crucial for maintaining safety and preventing any potential collisions or misunderstandings during the operation. Clear instructions outline the specific steps that each unit must take, while clearances formally authorize these maneuvers. Together, they establish a structured operational flow that helps ensure that all participants are aware of their responsibilities and the actions they need to undertake for a successful breakup.

While signals and notifications, advisories and recommendations, or directions and alerts may play a role in communication during operations, they do not carry the same level of authority and clarity as instructions and clearances. Instructions and clearances provide the necessary legal and operational framework required to execute the breakup safely and effectively, making them the correct choice in this context.