The 39th Expeditionary Operations Group is a tactical unit within the United States Air Force. It serves as a key component of air expeditionary forces, providing operational control and command for aircraft and associated assets during combat operations. The group's primary role involves managing and coordinating air missions, including close air support, air interdiction, air defense, and airlift operations. The 39th EOG is typically deployed on a rotational basis to various locations around the world in response to strategic needs or conflicts. The unit operates under the command of Air Combat Command and has a long history dating back to World War II.