Navy Petty Officer 2nd Class John Blake welds a steel beam to a railing to be used as part of a dive platform at Phillips Dive Park, Dec. 23. Blake is attached to Naval Mobile Construction Battalion 28, Shreveport, La., which is deployed to Guantanamo Bay in support of general engineering, construction and project management for Naval Station Guantanamo Bay. JTF Guantanamo provides 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.