All of our military live under similar laws:
Punitive Articles of the UCMJ
Article 125—Sodomy
Text.
“(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 by punished as a court-martial may direct.”
Elements.
(1) That the accused engaged in unnatural carnal copulation with a certain other person or with an animal. (Note: Add either or both of the following elements, if applicable)
(2) That the act was done with a child under the age of 16.
(3) That the act was done by force and without the consent of the other person.
Explanation.
It is unnatural carnal copulation for a person to take into that person’s mouth or anus the sexual organ of another person or of an animal; or to place that person’s sexual organ in the mouth or anus of another person or of an animal; or to have carnal copulation in any opening of the body, except the sexual parts, with another person; or to have carnal copulation with an animal.
http://usmilitary.about.com/od/punit...s/a/mcm125.htm