Cal. Mil. & Vet. Code § 141

The staff of the Governor consists of The Adjutant General and such aides as the Governor designates from the personnel of the National Guard and Naval Militia to serve during his incumbency. Such staff may also include the following personal aides-de-camp: five aides-de-camp who may be appointed by the Governor and who shall have the rank of lieutenant colonel, and one naval aide with the rank of commander. Such appointments by the Governor shall operate as a commission of such aides-de-camp.