Problem: Please describe the United States Marine Corps Marine Air Ground Task Forces (MAGTFs) and the four types to include Marine Expeditionary Forces (MEFs), Marine Expeditionary Brigades (MEBs), Marine Expeditionary Units (MEUs), and Special Purpose Marine Air Ground Task Forces (SPMAGTFs). Provide operational examples (real or conceptual) of MAGTFs or individual units and how they contributed to naval warfare.