Shield
Or, a Sioux warrior in war bonnet brandishing a spear in dexter hand and mounted on an Indian pony courant all Proper.
Crest
That for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Or and Gules, the Lexington Minute Man Proper. The statute of the Minute Man, Captain John Parker (H.H. Kitson, sculptor), stands on the Common in Lexington, Massachusetts.
Motto
AUDACTER ET STRENUE (Strongly and Boldly).
Shield
Yellow is the color used for Cavalry. The Sioux warrior alludes to the regimental area, formerly Sioux Country."
Crest
The crest is that of the United States Army Reserve.
The coat of arms was originally approved for the 322d Regiment Cavalry on 14 January 1925. It was redesignated for the 322d Cavalry Regiment and amended to change the symbolism on 12 March 1971.