Final answer:
The War Powers Resolution requires a president to notify Congress within 48 hours of deploying troops and seek approval for deployments beyond 60 days. No specific number of months for regular reports without NAVPERSCOM approval was mentioned.
Step-by-step explanation:
The question pertains to a specific military protocol related to troop deployments and the requirement for congressional approval. Based on the information provided, a president can deploy troops for hostile reasons but must notify Congress within 48 hours. Additionally, if the deployment is to last beyond 60 days, the president must seek Congressional approval. In this context, no specific number of months is mentioned for regular reports or letter extensions without NAVPERSCOM (PERS-311) approval. The question is likely referencing the War Powers Resolution, which is intended to check the president's power to commit the United States to an armed conflict without the consent of the U.S. Congress.