The 657th Support Group Distinctive Unit Insignia, better known as a DUI or a unit crest, was approved for wear on 10 August 2000. In its center is a fret, a lattice-like design that symbolizes the organization’s support mission. The fret is surmounted by nine roundels (circular discs) that suggest the unit’s higher command, the U.S. Army Reserve’s 9th Mission Support Command; the light blue color of the roundels is an allusion the unit’s service in the Pacific region. Scarlet and gold, colors frequently used by Support units, respectively denote courage and excellence. “The Best Supports The Rest” is the unit motto.
Distinctive Unit Insignias are 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. 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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Also serving under the designation 657th Area Support Group, the 657th Support Group was awarded a Meritorious Unit Commendation in August 2008 for providing life-support operations, terrain management, base camp development and planning, and force-protection integration for nearly 30,000 Soldiers, Sailors, Marines, and Airmen that were stationed at Logical Support Area Anaconda between 29 August 2006 and 28 July 2007.
As of Autumn 2023, the 657th Support Group or 657th Area Support Group has been inactivated/deactivated, redesignated, or disbanded.