The Marine Corps operating forces consist of which of the following?

The Marine Corps operating forces are structured specifically to fulfill their mission of being a rapid-reaction force capable of operating across a range of environments. The correct option identifies Marine Corps Forces, Marine Corps Security Forces, and Marine Security Guard detachments as the primary components that constitute the operating forces.

Marine Corps Forces are the primary combat arms of the Marine Corps, designed to engage in offensive and defensive operations. The Marine Corps Security Forces are specialized units that provide security for Naval installations and associated assets, ensuring that essential facilities are protected while also being capable of military operations. Additionally, Marine Security Guard detachments serve to protect U.S. embassies and consulates, maintaining the security of personnel and operations overseas.

These elements collectively emphasize the Marine Corps' role as an operationally versatile and ready force, capable of both combat and support missions in various security environments. This multifaceted component structure allows the Marine Corps to adapt to diverse operational needs effectively.