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.
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Under the operational control of U.S. Army Pacific Command, the 9th Mission Support Command is an Army Reserve Command that provides ready forces for overseas contingency operations. The Command’s Soldiers are stationed throughout the Pacific at bases on Hawaii, American Samoa, Alaska, Japan, Korea, Guam, and Saipan.
The unit’s history extends back to the Civil War and the creation of the IX Corps as part of the Army of the Potomac. Deployed during World War II, the Corps saw action in the Pacific and subsequently played a large role in driving the North Koreans from the Korean Peninsula. In 1961, IX Corps became a major subordinate command of U.S. Army Pacific; it maintained this role until it was inactivated in 1995. It was renamed 9th U.S. Army Reserve Command and then, in 2008, was redesignated as 9th Mission Support Command. It is based in Honolulu, Hawaii.