The 167th Theater Sustainment Command is a unit of the Alabama National Guard since 2009 and is the only theater level sustainment command in the National Guard. Beginning in the 1920s as an infantry company serving in World War II with the 31st Infantry Division; 167 TSC first became a support unit in January 1968 as the 167th Support Brigade. It has been redesignated with a similar role several times 1976 as a Support Command, 2006 as a Sustainment Command and in 2009 as a TSC.