Shield
Per bend Gules and the field crusilly fitchy Argent, on a bend of the last three pheons of the first and in sinister chief three increscents tow and one of the second.
Crest
On a wreath of the colors Argent and Gules, in front of a cloud of smoke Proper a projectile Or surmounted by a lion rampant Sable armed and langued of the second.
Motto
NUNQUAM AERUMNA NEC PROELIO FRACTUM (Never Broken By Hardship Or Battle).
Shield
The original colors of the coat of arms of the former 7th Field Artillery and the 7th Coast Artillery have been retained. Divided per bend (diagonal band), taken from the arms of the 7th Field Artillery, are three crescents of Luneville where that unit first saw action in World War I, and a field of crosses, from the arms of the Lords of Commercy, where the 7th Coast Artillery had its fist war service. On the bend are three pheons, representing early artillery and also three assault landings in World War II by the 7th Field Artillery.
Crest
The projectile and cloud of smoke symbolize the 7th Coast Artillerys distinction of firing the Coast Artillerys first shot in World War I. The lion, taken from the arms of Picardy, denotes the first shot was fired in the province.
The coat of arms was approved on 1 March 1960. It was cancelled on 23 August 1971.