(a) Any person subject to this chapter who engages in unnatural carnal copulation with another person of the same or opposite sex or with an animal is guilty of sodomy. Penetration , however slight, is sufficient to complete the offense. (b) Any person found guilty of sodomy shall be punished as a court-martial may direct.
So where do we stand with the animals?
Article 134 MCM Assault with intent to commit murder, rape , sodomy housebreaking et. And the part a few pages later about wrongful cohabitation.