U.S. Coast Guard Petty Officer 2nd Class Brad Landus, 307th Port Security Unit operations specialist, right, and U.S. Navy Petty Officer 3rd Class Klenyia McKnight, Joint Task Force Guantanamo Public Affairs staff photographer, clear growth away from a stop sign behind Cuzco barracks, Aug. 10, 2008. Volunteers helped clear trees and brush from various sites around U.S. Naval Station Guantanamo Bay. JTF Guantanamo conducts safe and humane care and custody of detained enemy combatants. The JTF conducts interrogation operations to collect strategic intelligence in support of the Global War on Terror and supports law enforcement and war crimes investigations. JTF Guantanamo is committed to the safety and security of American service members and civilians working inside its detention facilities.