Coast Guard Petty Officer 3rd Class Gene Cox, a boatswain's mate with Coast Guard Reserve Port Security Unit 305, collects fired shell casings from a Browning M-2 .50-caliber machine gun after a firing exercise, Jan. 14. PSU 305 is currently deployed to Joint Task Force Guantanamo to provide maritime anti-terrorism safety and security for the water around JTF Guantanamo and U.S. Naval Station Guantanamo Bay. 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. 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 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.