Shield
Buff, on a chevron Gules, between two cannons in saltire Sable, muzzles upward and a wheel of the second bearing a pellet, thirteen mullets, the mullet larger in point Argent.
Crest
That for the regiments and separate battalions of the New Hampshire Army National Guard: From a wreath Argent and Buff, two pine branches saltirewise Proper crossed behind a bundle of five arrows palewise of the first bound together by a ribbon of the second, the ends entwining the branches.
Motto
SUSTAINING THUNDER!
Shield
The chevron denotes support, the mission of the unit. The stars signify America's original 13 colonies. The larger star represents New Hampshire which became the ninth state to enter the Union in 1788 and is the location of the Battalion. The following images compose the Battalion the crossed cannons suggest New Hampshire's history as a Field Artillery state; the wheel alludes to the transportation capabilities; the black disc illustrates a bomb shell and the 3643d Ordnance Company and the unit from which the Battalion originated.
Crest
The crest is that of the New Hampshire Army National Guard.
The coat of arms was approved on 20 July 2007.