The 233rd Regiment Distinctive Unit Insignia was originally approved for the 233rd Air Defense Artillery Regiment on 19 December 1990. It was redesignated for the 233rd Regiment on 2 December 1997 with revised symbolism and description.
The Air Defense Artillery heritage of the Regiment is celebrated with the use of red, the color of courage and zeal, and gold, symbolic of leadership, achievement, and excellence. A razorback hog embodies the unit motto, “Stalking The Skies, with scarlet nebuly representing clouds and upward-soaring gold missiles denoting the unit’s mission to defend against enemy aircraft and attack.
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. 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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Located at North Little Rock, Arkansas at the Robinson Maneuver Training Center, the 233rd Regiment is responsible the administration and operation of Regiment Regional Training, also called the 233rd Regiment Regional Training Institute (RTI). The 233rd Regiment RTI was created in 1996 through the merger of the Arkansas Military Academy and the Battle Skill Schools, a combat-skills course held at the Academy. The 233rd RTI provides training in enlisted occupational specialties and hosts Officer and Warrant Officer Candidate Schools.