10 U.S.C. § 919

1. (a)Any person subject to this chapter who, with an intent to kill or inflict great bodily harm, unlawfully kills a human being in the heat of sudden passion caused by adequate provocation is guilty of voluntary manslaughter and shall be punished as a court-martial may direct.
2. (b)Any person subject to this chapter who, without an intent to kill or inflict great bodily harm, unlawfully kills a human being—is guilty of involuntary manslaughter and shall be punished as a court-martial may direct.
   1. (1)by culpable negligence; or
   2. (2)while perpetrating or attempting to perpetrate an offense, other than those named in clause (4) of section 918 of this title (article 118), directly affecting the person;