(9) The term “rating” means the name (such as “boatswain’s mate”) prescribed for members of an armed force in an occupational field. The term “rate” means the name (such as “chief boatswain’s mate”) prescribed for members in the same rating or other category who are in the same grade (such as chief petty officer or seaman apprentice).
10 USC § 101(b)(9)
None identified. Default scope is assumed to be the entire title.