The chief public safety officer, otherwise known as the chief of police, shall hold the rank of colonel in the police department. In addition thereto, there shall be such number of officers and superior officers of rank as from time to time shall be designated, authorized, appointed and directed by the mayor and board of aldermen. (1961 Supp., §§ 13A.1; Ord. No. G-173, § 1; Ord. No. G-202, § 1; Ord. No. G-230, § 1; Ord. No. G-70-32, § 1; Ord. No. G-75-2, § 1; Ord. No. G-76-2, § 1, 2-5-76; Ord. No. G-78-4, § 1, 2-16-78; Ord. No. G-95-30, § 1, 6-15-95; Ord. No. 02-38, 10-17-02)