ShieldOr an Avanyu Sable. (The Avanyu is a Pueblo Indian device not unlike the device of the Isle of Man conventionalized, which is blazoned three legs embowed conjoined at the thighs, the three arms of the Avanyu each ending in a triangular head bearing five points).
CrestThat for the regiments of the new Mexico Army National Guard: On a wreath of the colors Or and Sable, a coiled rattlesnake Proper.
MottoPRO CIVITATE ET PATRIA (For State and Country).
ShieldThe Avanyu device used by the Pueblo Indians is another form of the triskelion, a lucky talisman and symbolic of energy, motion, and victory. It is also emblematic of "the whirling sun" and "lightning in air" which allude to the fire power and air defense mission of the former unit.
CrestThe crest is that of the New Mexico Army National Guard.
The coat of arms was originally approved for the 111th Cavalry Regiment on 2 January 1924. It was amended to correct the motto on 18 June 1928. It was redesignated for the 200th Coast Artillery Regiment (AA) on 7 March 1941. It was redesignated for the 717th Antiaircraft Artillery Gun Battalion on 6 October 1952. The insignia was redesignated for the 200th Artillery Regiment on 7 June 1960. It was redesignated for the 200th Air Defense Artillery Regiment on 9 February 1973. It was redesignated for the 200th Infantry Regiment with the symbolism revised on 22 August 2006.