Marine Aircraft Group 39 (MAG-39) is a unit of the United States Marine Corps that operates as part of the 3rd Marine Aircraft Wing. Based at Marine Corps Air Station Camp Pendleton in California, MAG-39 provides aviation support for ground forces, including transport, reconnaissance, and close air support. MAG-39 is equipped with various aircraft, including the MV-22 Osprey and AH-1Z Viper. The group plays a crucial role in training and deploying Marine aviators, ensuring they are prepared for a range of missions in diverse environments.