What does the abbreviation MEF stand for in the context of MAGTF?

In the context of the Marine Air-Ground Task Force (MAGTF), the abbreviation MEF stands for Marine Expeditionary Force. The MEF is the largest principal organization in the MAGTF structure and refers to an essential element that is capable of conducting sustained operations across a range of military operations.

The MEF is specifically designed for amphibious operations and can project power ashore, making it a critical component of U.S. Marine Corps operations. A MEF typically consists of a Marine division, a Marine aircraft wing, and a logistics group, providing a balanced air-ground logistics capability to execute various missions, from combat operations to humanitarian assistance.

Understanding the size and scope of the MEF as part of the larger MAGTF structure helps clarify its role as the centerpiece for planning and executing complex operations in varied environments. Other terms, such as Marine Expeditionary Group and Marine Expeditionary Unit, refer to smaller formations within the MAGTF hierarchy and have different operational focuses and scales, making the distinction important depending on the context of operations.