The 4th Sustainment Brigade Shoulder Sleeve Insignia, or unit patch, was originally authorized for the 4th Support Brigade on 21 June 2005, but was redesignated for the 4th Sustainment Brigade on 5 May 2006. Much of the symbolism in the insignia revolves around the Brigade’s association with the 4th Infantry Division; it was originally formed in 1957 as HHC, Material Management Control, 4th Infantry Division and quickly transitioned into a Division Support Command, or DISCOM.
Because the 4th Infantry Division was unofficially nicknamed “Iron Horse,” the unit adopted its own unofficial moniker of “Wranglers,” reflecting their ability to keep the Division supplied and battle-ready. This is referenced by the pair of conjoined, reversed chevrons at the top of the insignia shield that forms the letter “W” for Wranglers. The alternating color of buff and black, called countercharging, is a symbol of teamwork and cohesiveness, with buff being the traditional color associated with support units.
Additionally, the alternating colors are an allusion to the night-day cycle and the Brigade’s round-the-clock readiness. And the ivy leaf is another nod to the 4th Infantry Division, which has the special designation of “Ivy Division” because of the ivy leaf in its shoulder-sleeve insignia.
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4th Sustainment Brigade Unit Crest (DUI)
4th Sustainment Brigade Combat Service ID Badge (CSIB)