MASS-1 MASG-28 2dMAW

Marine Air Support Squadron 1 (MASS-1) is a United States Marine Corps aviation command and control unit, part of Marine Air Support Group 28 (MASG-28) and the 2d Marine Aircraft Wing (2dMAW). Established in 1942 during World War II, MASS-1 has played a key role in providing direct air support coordination for Marine ground forces during major conflicts, including World War II, the Korean War, and the Vietnam War. The squadron specializes in operating the Direct Air Support Center (DASC), managing and directing close air support missions for maneuvering ground units. Today, MASS-1 continues to serve as a critical component of the Marine Corps’ air-ground task force, supporting both training and operational deployments worldwide.