Shield
Gules five closets wavy Argent, on a canton Or a bend sinister of the field.
Crest
On a wreath of the colors Argent and Gules, a French 75 mm field gun the wheel charged with the shoulder sleeve insignia of the regiment (a vertical Black oblong with the White star and Indian head of the Second Division) all Proper.
Motto
ALLONS.
Shield
The regiment was organized in 1917 by transfer of men from the 4th Field Artillery. The old regiment is indicated by the canton. It was part of the Second Division overseas and took part in the heaviest of fighting. The extent of the operations is indicated by the five wavy bars on the shield representing the four historic French rivers, the Aisne, Marne, Meuse, and Moselle and finally the Rhine, which the regiment crossed.
Crest
The crest symbolizes the regiment's service in World War I as an artillery unit of the Second Division.
The coat of arms was originally approved for the 15th Field Artillery Regiment on 21 January 1922. It was redesignated for the 15th Field Artillery Battalion on 20 October 1950. It was redesignated for the 15th Artillery Regiment on 10 February 1958. The insignia was redesignated effective 1 September 1971, for the 15th Field Artillery Regiment.