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 1st Security Force Assistance Brigade was established in October 2017 at Fort Benning, Georgia, the first of six brigades under the Security Force Assistance Command, a Division-level Command element. It was officially activated at a ceremony held at the National Infantry Museum at Fort Benning on 8 February 2018 (Fort Benning was redesignated as Fort Moore on 27 October 2023.)
Deployed to Afghanistan later that same month, the Brigade executed hundreds of ongoing advisory missions and facilitated operations with over fifteen brigades and thirty battalions from the Afghan National Amy and Regional training facilities, and several Afghan Divisional and Corps Headquarters.
Returning to the U.S. in November 2018, the Brigade’s next mission involved a half-dozen of the Brigade’s Engineering Advisor Teams being sent to assist with the testing of secure communications between NATO and its allies and partners in an Exercise dubbed “Allied Spirit X” that was managed by the German 1st Panzer Division in April 2019. That summer, two of the Brigade’s Combat Advisor Teams became the first to ever take part in a four-week training program at the U.S. Military Academy called Cadet Field Training.
Designed on the Infantry and Armored Brigade Combat Team mode, Security Force Assistance Brigades comprise some 500 Senior Officers and Noncommissioned Officers with the expertise to train and advise foreign security forces, from small units up to large organizations such as defense or internal affairs ministries. The Brigades are designed to enhance the readiness of the Total Army by reducing and in some cases eliminating the need for existing Brigade Combat Teams to carry out security force assistance operations. They also serve as the catalyst to enable the rapid expansion of Army force in the event of contingency operation.