About 1st Battalion, 133rd Field Artillery Regiment1st Battalion, 133rd Field Artillery Regiment

The 133rd Field Artillery was organized in June, 1917, as the First Texas Field Artillery. It was drafted into Federal service August 5, 1917; mustered into Federal service during August and September, 1917, and redesignated 133rd Field Artillery October 15, 1917. It served overseas during the World War but did not see combat service. The Regiment was called to federal service again as part of the 36th Infantry Division on 25 November, 1940 where it earned campaign credit for Normandy, Northern Frances, Ardennes-Alsace and Central Europe Campaigns of WW II.

In October 2009, Headquarters and Headquarters Battery (HHB), Battery A, and Battery B from 1st Battalion, 133d Field Artillery were mobilized for service in Operation Iraqi Freedom as part of the 72nd Infantry Brigade Combat Team. HHB and Battery A were deployed to Camp Cropper, Iraq, with Battery B being sent to Camp Taji, Iraq.

Since June 2018, members of 1st Battalion, 133rd Field Artillery Regiment have been assigned to assist the U.S. Border Patrol in non-enforcement support duties. In November 2020, 1st Battalion deployed to the Sinai Peninsula in Egypt as multinational force and observers (MFO), tasked with ensuring peace between Israel and Egypt in accordance with the 1979 treaty between the two nations. 1-133 Field Artillery officially assumed MFO responsibilities on November 24, 2020, relieving 1st Squadron, 112th Cavalry Regiment, also of the Texas Army National Guard.

Coat of arms:                                                                                                                                                                                         Distinctive unit insignia:

Gules, a bend Azure fimbriated or between a fleur-de-lis and a Mexican sombrero of the last.

That for the regiments and separate battalions of the Texas Army National Guard: On a wreath of the colors Or and Gules a mullet Argent encircled by a garland of live oak and olive Proper. Motto DUM SPIRAMUS TUEBIMUR (While We Breathe, We Shall Defend).

The shield is red for Artillery. The blue bend, taken from the Dallas family coat of arms, represents the descent of the organization from the Dallas Artillery Company, earlier known as the Queen City Guards. The sombrero is symbolic of the Mexican Border; the fleur-de-lis, service in France.
The crest is that of the Texas Army National Guard.