Coast Guard Petty Officer 3rd Class Karl Gould from Port Security Unit 313 pilots a viper boat during a patrol, May 14, 2008. PSU 313 provides coastal security for Joint Task Force Guantanamo. 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.