Operation Enduring Freedom in Afghanistan and Operation Iraqi Freedom (primarily in Iraq) are military campaigns that are part of the ongoing Global War on Terror. Operation Enduring Freedom (OEF) began in October 2001. Operation Iraqi Freedom (OIF) began on March 20, 2003.
OEF/OIF combat veterans may have been exposed to a wide variety of environmental hazards during their service in Afghanistan or Iraq. These hazardous exposures may cause long-term health problems. Hazardous exposures include: