Marine Wing Support Group 37 (MWSG-37) is a United States Marine Corps aviation combat service support unit based at Marine Corps Air Station Miramar that is currently composed of 4 squadrons, that provide the 3rd Marine Aircraft Wing and I Marine Expeditionary Force with complete airfield operation services (less air traffic control), engineer and transportation support, medical assistance, food services, security support, and other direct combat and combat service support to Aviation Combat elements.
Provide the 3rd Marine Aircraft Wing with organic and deployable combat support and combat service support which is centralized for economy of personnel and equipment.
The unit was activated on July 1, 1953 at Marine Corps Air Station Miami, Florida as Marine Wing Service Group 37 and was assigned to the 3rd Marine Aircraft Wing. They relocated during September 1955 to Marine Corps Air Station El Toro, California. On April 1, 1967 they were re-designated as Marine Wing Support Group 37.
The Group has participated in Operation Desert Storm, Operation Restore Hope
The unit relocated during October 1998 to Marine Corps Air Station Miramar, California, through the Base Realignment and Closure (BRAC) process .
They have participated in Operation Enduring Freedom and Operation Iraqi Freedom from March 2003 to present.
| Ribbon | Unit Award |
| Navy Unit Commendation | |
| Meritorious Unit Commendation | |
| National Defense Service Medal with two Bronze Stars | |
| Southwest Asia Service Medal with three Bronze Stars | |
| Iraq Campaign Medal | |
| Global War on Terrorism Expeditionary Medal | |
| Global War on Terrorism Service Medal |