The 558th Combat Sustainment Squadron is a critical component of the United States Air Force. Its primary function involves providing combat logistics support for various air and ground forces, ensuring their operational readiness in both peacetime and wartime scenarios. This squadron is part of the Air Mobility Command's 375th Air Mobility Wing stationed at Davis-Monthan Air Force Base, Arizona. The 558th CSS specializes in managing theater airlift operations, including aerial refueling and cargo transportation, as well as theater supply management and maintenance support services. Overall, the 558th Combat Sustainment Squadron plays an essential role in sustaining mission success by ensuring the timely delivery of resources to U.S. forces around the globe.