Marines wade through water after exiting a transportable port security boat at U.S. Naval Station Guantanamo Bay, April 8. Coast Guardsmen from Port Security Unit 305, who provide water-based security for Joint Task Force Guantanamo operations, and Marines from the Marine Corps Security Force Company participated in an integrated insertion and extraction exercise. JTF Guantanamo conducts safe, humane, legal and transparent care and custody of detainees, including those convicted by military commission and those ordered released. 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 Global War on Terrorism. JTF Guantanamo provides support to the Office of Military Commissions, to law enforcement and to war crimes investigations. The JTF conducts planning, and on order, responds to Caribbean mass migration operations.