The 135th Sustainment Command (U.S. Army) is a logistics formation within the United States Army Reserve. Its primary role is to provide operational sustainment capabilities for joint and combined forces in support of combatant commands during peacetime, contingency operations, or large-scale war. The command’s mission includes supply management, maintenance, transportation, and other logistical services. These functions are crucial for the effective deployment and support of troops, ensuring they have the necessary resources to carry out their duties effectively in various operational environments. The 135th Sustainment Command is headquartered in Fort Sill, Oklahoma, with units located across multiple states within the U.S. Army Reserve.