are not considered special operations unit by the Department of Defense. 11th Marine Expeditionary Unit 13th Marine Expeditionary Unit 15th Marine Expeditionary Unit 22nd Marine Expeditionary Unit 24th Marine Expeditionary Unit 26th Marine Expeditionary Unit 31st Marine Expeditionary Unit See also Fleet Marine Force (FMF) Organization of the United States Marine Corps Special Purpose Marine Air-Ground Task Force – Crisis Response – Africa Special Purpose Marine Air-Ground Task Force – Crisis Response – Central Command United States Army's Brigade Combat Team, for comparison United States Marine Corps Aviation References Bibliography External links Additional info from Globalsecurity.com United States Marine Corps aviation MAGTF Ad hoc units and formations of the United States Marine Corps Military task forces