189th ATC Company

The 189th Aviation Company (Air Traffic Control), commonly known as the 189th ATC Company, was a specialized unit of the U.S. Army tasked with providing air traffic control services during the Vietnam War. Activated in the mid-1960s, the company deployed to Vietnam and played a crucial role in managing the complex and hazardous airspace over key bases and tactical zones. Its controllers ensured the safe and efficient movement of both rotary- and fixed-wing aircraft under combat conditions, often operating from remote and austere locations. The unit’s dedication and expertise contributed significantly to the overall effectiveness and safety of U.S. Army aviation operations throughout its deployment.