10 U.S.C. § 8213
Enlisted grades and ratings: authority to establish
The Secretary of the Navy may establish such enlisted grades and ratings as are necessary for the proper administration of the Navy and the Marine Corps.
( Aug. 10, 1956, ch. 1041 , 70A Stat. 375 , § 6013; renumbered § 8213, Pub. L. 115–232, div. A, title VIII, § 807(b)(7) , Aug. 13, 2018 , 132 Stat. 1834 .)