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.
Enlisted personnel wear the insignia 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.
The 314th Military Intelligence Battalion Unit Crest was approved on 8 May 1990. A disc of red and white represents Okinawa and stands for the unit’s service in the Pacific that led to its selection for a Presidential Unit Citation. The blue and white squares simulate a chess board, which is an allusion to the strategy involved in gathering intelligence. Black tones throughout the insignia imply covert operations, as well nighttime operations when contrasted with the white in the insignia. SAPIENTIA ET VERITAS, the unit motto, is Latin for “Wisdom And Truth.”
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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Headquartered in San Diego, the 314th Military Intelligence Battalion (Interrogation) is assigned to the 648th Regional Support Group, Military Intelligence Readiness Command, a major functional command in the United States Army Reserve. It was first constitute as the 314th Headquarters Intelligence Detachment in the Army of the United States on 14 December 1944 and was activated the following February in Korea, the same location it would be inactivated on 27 February 1945. During World War II, the Battalion is credited with having took part in the Ryukyus campaign and was awarded a Presidential Unit Citation for action on Okinawa.
The unit received its current designation on 10 August 1950 while allotted to the Organized Reserve Corps (later known as Army Reserve). Inactivated on 1 April 1953, the Battalion was not active again until 1988 when it was redesignated as HQ, HQ and Service Company 314th Military Intelligence Battalion on 16 September 1988 and activated at Detroit; it was subsequently inactivated at Detroit in 1997.
In February 1999, it was withdrawn from the Army Reserve and allotted to the Regular Army, then activated on 16 June 2000; it would remain activated until 30 September 2009, earning an Air Force Outstanding Unit Award for service between 2001 and 2003. January 2011 saw the inactivated Battalion withdrawn from the Regular Army and allotted back to the Amy Reserve, where it was activated in October 2012. As of Autumn 2023, the 314th Military Intelligence Battalion remains allotted to the Army Reserve and is a subordinate unit of the Military Intelligence Readiness Command's Interrogation Group. It is stationed in Fallbrook, California.