Final answer:
The TPFDD is classified at the same level as the Operations Plan using the classification guidance issued by the supporting commander.
Step-by-step explanation:
In military planning and operations, the TPFDD is a critical document that outlines the deployment and sustainment of forces, personnel, and equipment over time. It specifies the timing, sequencing, and details of troop movements and logistics support to execute an OPLAN.
To maintain operational security and protect sensitive information, both the TPFDD and the OPLAN are assigned classification levels as determined by the supporting commander. The classification levels can vary depending on the nature of the mission and the information contained within these documents. This classification ensures that only authorized personnel with the appropriate security clearance have access to the details of the operation and its associated deployment data.