The 309th Maintenance Wing is a unit of the United States Air Force. It is stationed at Dyess Air Force Base, Abilene, Texas, and falls under the jurisdiction of the Eighteenth Air Force, 18th Air Force Maintenance Wing. Its primary role includes the maintenance and readiness of U.S. Air Force aircraft, such as the B-1B Lancer bomber, ensuring they are ready for immediate deployment. The wing also provides support services to meet daily operational requirements. The 309th Maintenance Group is responsible for maintaining the B-1B fleet, while the 309th Operations Group oversees flight operations and mission readiness.