What is the primary mission of the Marines?

The primary mission of the Marines is to conduct land operations. This mission encompasses a wide range of military activities, which can include offensive and defensive operations, securing and holding territory, and rapid response to crises on land. The Marine Corps is specifically designed as an amphibious force, meaning they can transition from sea to land operations quickly, supporting broader military objectives.

Conducting land operations focuses on the ability to engage in ground combat, to seize and secure terrain, and to achieve strategic goals on land. This mission is distinct because the Marines often operate as the first responders in conflicts, which necessitates a strong emphasis on land-based tactics and readiness in diverse environments. Such capabilities enable the Marine Corps to provide vital support to other branches of the military and ensure effective coordination in joint operations.