Combat zones are designated by an Executive Order from the President as areas in which the U.S. Armed Forces are engaging or have engaged in combat. There are currently three such combat zones (including the airspace above each):
Public Law 104-117 designates three parts of the former Yugoslavia as a Qualified Hazardous Duty Area, to be treated as if it were a combat zone, beginning Nov. 21, 1995 -- Bosnia and Herzegovina, Croatia, and Macedonia.
In addition, the Department of Defense has certified these locations for combat zone tax benefits due to their direct support of military operations, beginning on the listed dates:
In support of Operation Enduring Freedom (Afghanistan combat zone):
In support of Operation Iraqi Freedom (Arabian Peninsula Areas combat zone):