Joint Task Force Guantanamo (JTF-GTMO) is a U.S. military joint task force based at Guantanamo Bay Naval Base, Guantánamo Bay, Cuba on the southeastern end of the island. JTF-GTMO falls under US Southern Command. Since January 2002 the command has operated the Guantanamo Bay detention camps Camp X-Ray and its successors Camp Delta, Camp V, and Camp Echo, where detained prisoners are held who have been captured in the war in Afghanistan and elsewhere since the September 11, 2001 attacks. The unit is currently under the command of Rear Admiral David B. Woods, who replaced Rear Admiral Jeffrey Harbeson in August 2011. Previous commanders have included Army Major General Geoffrey D. Miller, who took command in November 2002.