Final answer:
The reporting senior is the superior officer responsible for reviewing and endorsing documents or statements in the military.
Step-by-step explanation:
In the context of the question, the reporting senior is likely referring to a military term. In the military, a reporting senior is the superior officer who is responsible for reviewing and endorsing certain documents or statements. The time it takes for the reporting senior to endorse and forward a statement will depend on the specific process and requirements of the military branch or organization. Generally, it is expected that the reporting senior will complete the endorsement and forwarding process within a reasonable time frame to ensure timely and efficient communication.