Petty Officer 1st Class Marcus D. Arnold attached to the Joint Troop Clinic, part of Joint Task Force Guantanamo, performs an eye stain check to clear dust off a patient's eye. The Joint Task Force Guantanamo's Troop clinic is a full service medical and dental facility supporting JTF troopers. Joint Task Force Guantanamo conducts safe and humane care and custody of detained enemy combatants. The JTF conducts interrogation operations to collect strategic intelligence in support of the Global War on Terror and supports law enforcement and war crimes investigations. JTF Guantanamo is committed to the safety and security of American service members and civilians working inside its detention facilities.