The 135th Sustainment Command (Expeditionary) (ESC) is an independent major command (MACOM) of the Alabama Army National Guard, and until 2014 was a subordinate unit of the 167th Theater Sustainment Command. It is one of two Expeditionary Sustainment Commands assigned to the National Guard, the other unit is the 184th Sustainment Command (Expeditionary) assigned to the Mississippi Army National Guard.