The 140th Mission Support Group is a unit within the United States Air Force (USAF). Its primary role is to provide mission-essential support services to the 140th Airlift Wing and other organizations at Fort Worth’s Joint Reserve Base. This includes functions like base operations, security forces, civil engineering, logistics management, communications, and command and control. The group operates under the Air Force Reserve Command, ensuring the readiness of Air Force reserves for potential global deployments.