Members on the retired list shall serve thereon without pay; shall be withdrawn from unit rosters, command and from line of promotion and shall continue to be borne on the register of the armed forces of the state, and shall be entitled to wear, within the limitations prescribed by the laws and regulations of the United States, the uniform of the rank on which they have been retired. They shall, at all times, be subject to the rules and regulations governing the armed forces of the state. They may, with their consent, be detailed from the retired list and placed upon active duty at any time when ordered by the Governor and, when on such duty, shall be entitled to the pay and allowances of members of a similar grade on the active list.