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 656th Support Group Distinctive Unit Insignia was approved on 30 April 2001. The traditional colors used for support units, gold/buff and scarlet, are incorporated in this insignia in the scroll containing the unit motto PROSEQUOR CUM ELUVIES, a Latin phrase that translates into English as “Go With The Flow.”
A keystone above the scroll is a symbol of strength and support that alludes to the location of the organization in the “Keystone State,” Pennsylvania. A square bifurcated into black and white regions denote the night-and-day mission of the unit, while the four spear points oriented to the main compass directions (N, S, E, W) allude to the four organizational functions of the Group: to plan, direct, support, and provide logistical and/or maintenance operations to all subordinate units within the Group AOR (area of operations). Spear points and the gold disc (suggesting ammunition) emphasize the combat readiness of the unit and its support to the Total Army.
As of Winter 2023, the 656th appears to inactive, with no readily available public information indicating whether it was inactivated, deactivated, redesignated, or consolidated with another unit.