Learn about the different roles Marine hold in the battle for our future. Founded in 1775, the Marines are an elite fighting force with the courage to engage in every battle—and the will to win. Learn more about how to join the Marine Corps.
United States Marine Corps (USMC), separate military service within the U.S. Department of the Navy, charged with the provision of marine troops for seizure and defense of advanced bases and with conducting operations on land and in the air incident to naval campaigns.