Members of the Puerto Rico National Guard arrive aboard Naval Station Guantanamo Bay, Dec. 28, 2008. Puerto Rico relieves the New Mexico National Guard after their year-long deployment at Joint Task Force Guantanamo. JTF Guantanamo conducts safe, humane, legal and transparent care and custody of detained enemy combatants, including those convicted by military commission and those ordered released. JTF Guantanamo conducts intelligence collection, analysis and dissemination for the protection of detainees and personnel working in JTF Guantanamo facilities and in support of the Global War on Terror. JTF Guantanamo provides support to the Office of Military Commissions, to law enforcement and to war crimes investigations. JTF Guantanamo conducts planning for and on order responds to Caribbean mass migration operations.