Stars and Stripes reports that the commander of forces in Afghanistan has lifted the combat-zone ban on sex between people who are not married. Sort of:
The UCMJ contains several provisions under which sexual relations are prohibited between men and women. For instance, married persons cannot engage legally in sex with anyone other than their spouse, or they can be prosecuted for adultery. Sexual relations between subordinates and higher-ranking personnel are prohibited within the same chain of command. Sexual relations between officers and enlisted personnel are generally prohibited as well. Homosexual relations are completely prohibited under the code.