### Question
What does service chief mean?


### Answer
**Service chief** has the following meaning in *10 U.S.C. § 991*:

> the Chief of Staff of the Army, the Chief of Naval Operations, the Chief of Staff of the Air Force, or the Commandant of the Marine Corps

#### Citation:
  - *10 U.S.C. § 991*
  - Heading: **Subtitle A-General Military Law > PART II-PERSONNEL > CHAPTER 50-MISCELLANEOUS COMMAND RESPONSIBILITIES**

