Shield
Gules, a chevron paly of eight Argent, of the field (Gules), Azure and repeated, the ordinary fimbriated Or.
Crest
On a wreath of the colors Or and Gules, a cannon palewise Gules, between two dolphins hauriant, dexter and sinister, Or, langued of the first.
Motto
LITTORE SISTIMUS (We Take Our Stand On The Shore).
Shield
The shield is red for the Artillery and the chevron is in the colors of the old royal Hawaiian flag, which also appeared in the arms of the Coast Defenses of Pearl Harbor.
Crest
The crest shows the big gun supported by the dolphins - the king of fishes - indicating the command of the coast.
The coat of arms was approved for the 15th Coast Artillery Regiment on 16 April 1925. It was rescinded/cancelled on 26 December 1974.