- Heraldry and
Insignia of the California National Guard
- 250th Air Defense
Artillery Regiment (First California)
- 250th Artillery
- 728th Antiaircraft
- 250th Coast Artillery
Regiment (First California)
- Design Approved: Originally Approved for the 250th
Coast Artillery on 5 August 1925
- Symbolism: The shield is red for artillery.
The castle is for service during the War with Spain; the palm
tree is for the Phillippine Insurrection and the wreathed fleur-de-lis
commemorates service in France during World War I.
- Motto: ORAM OCCIDENTALEM DEFENDIMUS (We
Defend The Western Coast)