In the 1st Infantry Division Sustainment Brigade's Distinctive Unit Insignia (DUI), or unit crest, a sword outside its sheath (similar to the one employed on the unit's Combat Service ID Badge, or CSIB—see link below) denotes the unit’s constant state of preparedness and its proven capability of rapidly providing logistical support to combat forces. The laurel branches have special significance: the 13 leaves on the left represent the original 13 colonies of the United States, and the 10 leaves on the right signify the 10 classes of supplies that the Brigade delivers in support of its soldiers. The two branches also serve as a substitute for the inverted chevrons found on the CSIB that allude to the "V" in unit's motto, "Sustain to Victory," found at the bottom of the crest.Also known as a unit crest or DUI, a Distinctive Unit Insignia is worn by all Soldiers (except General Officers) in units that have been authorized to be issued the device. It is worn centered on the shoulder loops of the Army Green Service Uniform (AGSU) and the blue Army Service Uniform (ASU, Enlisted only) with the base of the insignia toward the outside shoulder seam. DUIs are not worn on the Dress variations of either uniform, however.
More guidance on wear of the DUI is found in DA Pamphlet 670-1, Section 21-22, "Distinctive unit insignia" and 21–3(d) and (e), "Beret" and "Garrison Cap," respectively.
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The brigade was activated in 2007 as the 1st Sustainment Brigade and in 2015 it was redesignated and reflagged as the 1st Infantry Division Sustainment Command, an organic component of the 1st Infantry Division. It was formed from the Division Support Command (DISCOM), 1st Infantry Division, and inherited the lineage and honors earned by the Division since the U.S. entry into World War I in 1917. Its campaign credits span both World Wars, the Vietnam conflict, and the First Gulf War, and it was deployed three times in support of Operation Iraqi Freedom.
As of Autumn 2023, the 1st Sustainment Brigade is an active unit and is stationed at Fort Riley, Kansas.