What is the primary role of Marine Corps security forces?

The primary role of Marine Corps security forces is to protect U.S. diplomatic missions. This responsibility includes safeguarding embassies, consulates, and other diplomatic installations both domestically and internationally. The Marine Corps has specially trained security forces that are equipped to respond to various security challenges and threats around the globe, ensuring the safety of personnel and the integrity of facilities. This role is critical as it helps maintain U.S. diplomatic relations and project power and presence in regions of strategic interest.

While supporting Navy operations is an important function, it does not encompass the specific protective duties required for diplomatic missions. Similarly, providing combat units in wartime focuses on offensive and defensive military strategies rather than security for diplomatic entities. Handling logistics and supply for naval vessels pertains to operational support rather than security roles, further distinguishing the protective mission of Marine Corps security forces in the context of diplomacy.