14 U.S.C. § 301 Grades and ratings
(a) In General.—In the Coast Guard, there shall be—(1) admirals (two); (2) vice admirals; (3) rear admirals; (4) rear admirals (lower half); (5) captains; (6) commanders; (7) lieutenant commanders; (8) lieutenants; (9) lieutenants (junior grade); (10) ensigns; (11) chief warrant officers; (12) cadets; (13) warrant officers; and (14) enlisted members.
(b) Enlisted Members.—Enlisted members shall be distributed in ratings established by the Secretary.