Navy Rear Adm. Thomas Copeman listens as Air Force Gen. Douglas Fraser speaks during a change of command ceremony for Joint Task Force Guantanamo, June 25. Navy Rear Adm. Jeffrey Harbeson relieved Copeman as the commander of JTF Guantanamo. JTF Guantanamo conducts safe, humane, legal and transparent care and custody of detainees, including those convicted by military commission and those ordered released by a court. The JTF conducts intelligence collection, analysis and dissemination for the protection of detainees and personnel working in JTF Guantanamo facilities and in support of the War on Terror. JTF Guantanamo provides support to the Office of Military Commissions, to law enforcement and to war crimes investigations. The JTF conducts planning for and, on order, responds to Caribbean mass migration operations.