The unit's insignia is a gold color metal and enamel device 1 inch (2.54 cm) in height overall consisting of a shield blazoned: Gules, a Fleur-de-lis Argent crowned Or; on a canton of the like an Aztec banner Vert garnished of the second.

The single fleur-de-lis of silver is taken from the arms of Soissons, where the regiment performed such distinguished service that it was cited by the French in Orders of the Army, shown by the pendant Croix de guerre.

The shoulder sleeve insignia of the regiment Proper (a horizontal oblong of Black charged with the White star and Indian head of the Second Division) is on a wreath of the colors Argent and Gules.

[1] The shield is the single fleur-de-lis of silver is taken from the arms of Soissons, where the regiment performed such distinguished service that it was cited by the French in Orders of the Army, shown by the pendant Croix de guerre.

Following the armistice, the 12th joined the U.S. Army of Occupation, stationed in the Colenz area, then later returned to Fort Sam Houston, Texas, and inactivated.

Later, the 12th was in the thick of the fighting of the Battle of the Bulge and it joined in the race across Germany and on VE Day was in Pilson, Czechoslovakia.

When the Korean War broke out, the 12th was reactivated and in July 1950, departed for Korea where it participated in the fighting on the Pusan Perimeter.

[2] Aisne, Aisne-Marne, St. Mihiel, Meuse-Argonne, Lorraine 1918, Ile de France 1918 Normandy, Northern France, Rhineland, Ardennes-Alsace, Central Europe UN Defensive, UN Offensive, CCF Intervention, First UN Counteroffensive, CCF Spring Offensive, UN Summer-Fall Offensive, Second Korean Winter, Korea: Summer-Fall 1952, Third Korean Winter, Korea: Summer 1953 Transition of Iraq, National Resolution March 2003 - April 2005 part of initial attack on bagdad, attached to 3rd infantry division, 3 days of Mlrs steel rain....March, 2003- 2006 Operation Iraqi Freedom First constituted 1 July 1916 in the Regular Army as Battery B, 12th Field Artillery.

The unit moved overseas and activated on 16 July 1987 in Herzogenaurach, Germany as a LANCE missile Battalion but was later inactivated on 15 April 1992.

The battalion was assigned on 1 June 2006 to the newly formed 4th Brigade Combat Team, 2nd Infantry Division, and activated at Fort Lewis, Washington.

[3] Aisne, Aisne-Marne, St. Mihiel, Meuse-Argonne, Lorraine 1918, Ile de France 1918 Normandy, Northern France, Rhineland, Ardennes-Alsace, Central Europe UN Defensive, UN Offensive, CCF Intervention, First UN Counteroffensive, CCF Spring Offensive, UN Summer-Fall Offensive, Second Korean Winter, Korea: Summer-Fall 1952, Third Korean Winter, Korea: Summer 1953 Summer-Fall 1969, Winter-Spring 1970, Sanctuary Counteroffensive, Counteroffensive: Phase VII, Consolidation I Iraqi Surge, Iraqi Sovereignty, New Dawn Transition II