The shield is red for Artillery. The six pallets coupled to produce a diminished bordure effect on the shield and represent the six batteries comprising the regiment at the time of its organization. The sihp is representative of the ship of Don Juan Rodriguez Cabrillio, a Portuguese who discovered San Diego Harbor
The charges on the canton, the Fleur de Lis encircled by a garland of laural, are taken from the coat of arms of the 250th Coast Artillery as Battry B of the 251st Coast Artillery, is a decendent of Battery F, 250th Coast Artillery which served in World War I as B Battery, 65th Coast Artillery
Shield: Six pallets coupled gules, a ship of Cabrillio's time argent on a canton azure, a Fleur-de-Lis encircled by a garland of laural of the first.
Crest: That for regiments and separate battalions of the California National Guard; on the wreath of the colors or fules, the setting sun behand a grizzly bear passant on a grassy field.
Motto: We Aim to Hit.