Gules, issuant from base, a battle axe Or, surmounted by a knapsack Sable, buckles and a pendant bearing a key, ward to base and outward, all of the second, the shoulder strap entwined with the axe head; on a chief of the third edged of the second a lion passant guardant of the last garnished Sable.
That for the regiments and separate battalions of the Army Reserve: From a wreath Or and Gules, the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, sculptor), stands on the common in Lexington, Massachusetts.
STANDARD OF EXCELLENCE.
The knapsack ? a symbol for supply and the key ? a symbol for service, allude to the support mission of the Battalion. The battle-axe refers to the sustaining of the fighting man. The lion signifies the Battalion's participation in the Normandy invasion in World War II.
The crest is that of the United States Army Reserve.
The coat of arms was approved for the 533d Support Battalion effective 16 September 2008.