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 (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.
For Enlisted personnel, the insignia is centered on a shoulder loop by placing it an equal distance from the outside shoulder seam to the outside edge of the shoulder-loop button. Officers (except Generals) wearing grade insignia on the shoulder loops center the DUI by placing it an equal distance between the inside edge of the grade insignia and the outside edge of the button.
Full 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 Distinctive Unit Insignia for the 414th Base Support Battalion has been obsolete since 2005, when the Army began restructuring its installation management system in Germany to bring it in line with the Standard Garrison Organization system used elsewhere around the world. A part of the 104th Area Support Group (ASG) at the time, the 414th Base Support Battalion was inactivated prior to being consolidated into the 104th ASG, which was subsequently reflagged as U.S. Army Garrison Hessen.
Located in Hanau, Germany—also home to the 104th Area Support Group Command—the 414th Base Support Battalion comprised eleven kasernes (a German loanword for “barracks” and here referring to several buildings), numerous housing areas, and shopping, retail, and service outlets in addition to an Exhange and commissary, including a bowling alley, bookstore, beverage stores, and numerous restaurants. "First And Foremost," the Battalion motto, emphasizes the importance of a robust Support system in fielding an effective fighting force.
In 2012, U.S. Army Garrison Hessen was turned over to the German government for use in civilian development.