Marine Aircraft Group 46 (MAG-46) was a United States Marine Corps reserve aviation group based at Marine Corps Air Station Miramar, California with subordinate units spread throughout California. It previously composed of one adversary squadron equipped with the F-5, one CH-46 squadron, one CH-53E squadron, one AH-1W and UH-1N squadron and a maintenance and logistics squadron. MAG-46 fell under the 4th Marine Aircraft Wing and Marine Forces Reserve. Due to a re-organization within Marine aviation, the group was deactivated in 2009.