U.S. Army Air Forces
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U.S. Naval Special Warfare Command
Underwater Demolition (UDT)
U.S. Space Force
Marine Aircraft Group 12 is an active air group of the United States Marine Corps, tasked with providing fighter and assault support aircraft. It is currently part of the 1st Marine Aircraft Wing, itself an integral part of the III Marine Expeditionary Force, and based at MCAS Iwakuni in Japan.
