I had to go through a whole Medical Board when I was diagnosed with Celiac Disease (allergy to wheat, barley, rye) so Im pretty sure it would be the same process with HIV. They would take the individual case and see if they can do their job...Im Air Force though so they just made me non-deployable. Army/Marines deploy a helluva lot more than us so Im sure the requirements are stricter!
"Someday love will find you...break those chains that bind you!!"