US Marine Corps
Definition/Scope: A 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. It is also responsible for providing detachments for service aboard certain types of naval vessels, as well as security forces for naval shore installations and U.S. diplomatic missions in foreign countries.
Used For:Marine Corps
Broader Terms:Navy Department
Narrower Terms:11th Marine Expeditionary Unit
Related Terms:Commandant of the Marine Corps