Marine Air Group (MAG) 25 was a United States Marine Corps combat air transport group that provided logistical support, including cargo and personnel transport and aeromedical evacuation, to forward units during World War II and the Korean War. During World War II it formed the nucleus of the South Pacific Combat Air Transport Command.

Marine Aerial Refueler Transport Squadron 152 (VMGR-152) provides aerial refueling service to support Fleet Marine Force (FMF) air operations; and provides assault air transport of personnel, equipment, and supplies. The squadron, known as the "Sumos", flies the fixed-wing Lockheed Martin KC-130J aircraft. VMGR-152 is stationed at Marine Corps Air Station Iwakuni, Iwakuni, Japan and is part of Marine Aircraft Group 12 (MAG-12) and the 1st Marine Aircraft Wing.