The 111th Sustainment Brigade is a unit of the United States Army responsible for logistics and support operations. This brigade, part of the Army National Guard, ensures the well-being of other military units by providing them with essential supplies, services, and maintenance. Its structure typically includes various subordinate units like combat service support battalions that manage areas such as transportation, maintenance, supply, and medical services. The 111th Sustainment Brigade can be mobilized for domestic operations or deployed overseas to support combat operations, contributing to the overall readiness of the U.S. Army.