Constituted and 16 September 1918, the 75th Field Artillery did not see combat during World War I and was subsequently demobilized on 11 December 1918, just two months after it had been organized on 7 October 1918 at Camp Sheridan in Alabama. It was reconstituted 1 October 1933 in the Regular Army and redesignated as the 75th Field Artillery Battalion on 13 January 1941. Its World War II battle honors include service in the Aleutian Islands and Po Valley campaigns.
Following a period of inactivation from February 1946 until December 1950, the unit was deployed to Korea and served in four of the ten Korean War campaigns, where its service from 1951-1952 was recognized with a Republic of Korea Presidential Unit Citation. It was inactivated while still in Korea on 23 June 1957, then reorganized and redesignated as the 75th Artillery, a parent regiment in the Combat Arms Regimental System; its designation was changed to 75th Field Artillery Regiment in September 1971. None of its units would see combat following that date and none of them are active today.
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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.
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 75th Field Artillery Regiment Distinctive Unit Insignia was approved on 8 August 1940. It was redesignated to accommodate the unit’s changing designations; following the redesignation to 75th Field Artillery Regiment on 1 September 1971, the insignia was amended to revise the description on 9 February 1973. A scarlet shield denotes the unit's affilation with the Artillery branch, while the lizard is a reference to the unit's home state of Alabama, the "Lizard State." PARATUS FACERE is the unit motto, Latin for "Prepared To Do."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.