| Marine Aircraft Group 12 | |
|---|---|
 MAG-12 Insignia | |
| Active | 1 March 1942 – present |
| Country | United States |
| Allegiance | United States of America |
| Branch | United States Marine Corps |
| Type | Fixed Wing Aircraft Group |
| Role | Offensive Air Support Antiair Warfare Aerial Reconnaissance Electronic Warfare Assault Support |
| Part of | 1st Marine Aircraft Wing III Marine Expeditionary Force |
| Garrison/HQ | Marine Corps Air Station Iwakuni |
| Nickname(s) | The Ready Group |
| Engagements | World War II * Philippines campaign (1944–45) Korean War * Attack on the Sui-ho Dam Vietnam War Operation Enduring Freedom |
| Commanders | |
| Commanding Officer | Col Kyle B. Shoop |
| Sergeant Major | SgtMaj R. Carlos Lopez |
| Executive Officer | LtCol Daniel V. Jernigan |
| Notable commanders | Mark R. Wise William O. Brice Vernon M. Guymon Robert E. Galer Edward C. Dyer John P. Condon Ralph K. Rottet George S. Bowman Jr. |
Marine Aircraft Group 12 (MAG-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 (1st MAW), itself an integral part of the III Marine Expeditionary Force, and based at MCAS Iwakuni in Japan.