The 377th Theater Sustainment Command has a dual-mission:  Command and control the 103d ESC, 143d ESC, 310th ESC, 316th ESC, Deployment Support Command (DSC), and the Army Reserve Sustainment Command (ARSC), providing trained and ready units and individuals in support of overseas contingency operations and other global requirements; and serve as the theater-committed TSC to United States Southern Command (USSOUTHCOM), supporting operations, training, and theater security cooperation activities in the SOUTHCOM Area of Responsibility (AOR).  One critical aspect of our mission is to be prepared to mobilize and deploy the headquarters in support of operational contingencies to serve as the joint logistics command for the Joint Force Commander or a Joint Task Force; our priority of effort is to US Army South (USARSO).  During wartime or humanitarian aid missions, the 377th TSC conducts Combat Service Support Operations for the U.S. Army as well as other U.S. or allied forces in or passing through its area of operation.   

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An operational force providing strategic depth in an era of persistent conflict.

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