Sodomy is still illegal within the UCMJ (Uniform code of military justice) and is punishable. Being allowed to be openly gay is one thing, practicing it is another.
While at Camp Lejeune, the policy was there was to be zero fraternization while inside of the barracks for enlisted persons. Meaning zero sex. That would apply to homosexual as well as heterosexual. The policies would be the exact same regardless of sexual orientation.
Also, this will not allow for any special considerations, and while civilians like to think that hazing has been eliminated from the miliary, I can speak from my own personal experiences that hazing is still alive and well and honestly, I think will increase.