Final answer:
Annapolis, known formally as the United States Naval Academy, serves as the commissioning institution for officers in the Navy and Marine Corps.
Step-by-step explanation:
The United States Naval Academy in Annapolis is a prestigious military academy that primarily serves the Navy and Marine Corps. These two branches of the U.S. armed forces often work hand in hand, with the Marines traditionally operating as a department within the Navy during times of war. The education and training at Annapolis are rigorous, aimed at preparing officers for the challenges of military leadership and operations at sea and on land.