Guantanamo's "Camp 6" prison

  • Detainees speak with U.S. military guards in Camp 6 at the Guantanamo Bay detention center on March 30, 2010 in this image approved for release by the U.S. military at the U.S. Navy base in southeast Cuba. JOHN MOORE / GETTY

  • A detainee stands in Camp 6 at the Guantanamo Bay detention center on March 30, 2010 in this image approved for release by the U.S. military at the U.S. Navy base in southeast Cuba. JOHN MOORE / GETTY

  • The feet of three captives, one wearing flipflops, as they take an art class while shackled to the floor Tuesday, Oct. 13, 2009 at the steel and cement prison called Camp 6 at the U.S. Navy base at Guantanamo Bay, Cuba. The image, approved for release by a Pentagon contractor, was made through a one-way window at the rotunda of the detention center and depicts only the detainees' feet under media groundrules that forbid showing captives' faces. CAROL ROSENBERG / MIAMI HERALD

  • In this photo, taken through a glass wall, reviewed by the U.S. military, shackled detainees sit together in a common area at Guantanamo's Camp 6 maximum-security facility, at the U.S. Navy base at Guantanamo Baym Cuba, Tuesday, May 12, 2009. BRENNAN LINSLEY / ASSOCIATED PRESS

  • In this photo, reviewed by the U.S. military, guard work at Guantánamo's Camp 6 in the U.S. Navy Base on Wednesday, Jan. 21, 2009. BRENNAN LINSLEY / ASSOCIATED PRESS

  • In this Dec. 5, 2006 photo, cleared for release by a Pentagon official, a guard walks through a currently unused detainee common area at Camp 6, the newest, state-of-the-art maximum security facility at the detention camps at the U.S. Navy Base at Guantanamo Bay, Cuba. BRENNAN LINSLEY / ASSOCIATED PRESS

  • A detainee speaks to a guard at Camp 6 of the Guantanamo Bay detention center on March 29, 2010 in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • A detainee stands in a cell block at Camp 6 of the Guantanamo Bay detention center on March 29, 2010 in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • A detainee reads a library book at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • A guard watches as a detainee reads library books at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • Detainees jog inside a recreation yard at Camp 6 in the Guantanamo Bay detention center on March 30, 2010in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • Detainees jog in a recreation yard at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • A detainee relaxes inside a communal area of Camp Six in this November 2010 Pentagon photo distributed by the prison camps at the U.S. Navy base at Guantanamo Bay, Cuba. ELISHA DAWKINS / U.S. NAVY

  • This sign was taped to a fridge for Guantanamo detainee food in the rotunda of Camp 6, the most populous of the U.S. Navy base prison camps on Sept. 23, 2010 with nearly 90 captives. Until recently the prison camps boasted on their web site that they provided the 174 war on terror detainees with 5,500- 6,000 calories a day. This photo was reviewed and approved for release by a sailor at the U.S. Navy base. CAROL ROSENBERG / MIAMI HERALD

  • In this image, released by the U.S. military, a guard behind chain-linked fence hands fresh laundry to a captive in the communal area of Camp 6, the U.S. Navy base at Guantanamo Bay, Cuba. ELISHA DAWKINS / U.S. NAVY

  • A detainee writes in the communal area of Camp Six, Oct. 29, 2010, in this image released by the U.S. military at the U.S. Navy base, Guantanamo Bay, Cuba. ELISHA DAWKINS / U.S. NAVY

  • A detainee sits during a "life skills" class held for prisoners at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • A U.S. military guard checks on detainees in a cell block at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in this image approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • An American guard watches detainees in a cell block at Camp 6 in the detention center on March 30, 2010 in this photo approved for release by the U.S. military at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • A detainee stretches inside a recreation yard at Camp 6 on March 30, 2010 in an image approved for release by the American military at the U.S. Navy at Guantanamo Bay, Cuba. JOHN MOORE/GETTY IMAGES

  • A detainee reads a magazine in the library at Camp 6 in the detention center on March 30, 2010 in this image approved for release by the military at the U.S. Navy base at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • U.S. Navy guards prepare to escort a detainee after a "life skills" class held for prisoners at Camp 6 in the detention center on March 30, 2010 in this image approved for release by the military at the U.S. Navy base at Guantanamo Bay, Cuba. JOHN MOORE / GETTY

  • A detainee sits during a "life skills" class held for prisoners at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in this image approved for release by the military at the U.S. Navy base in southeast Cuba. JOHN MOORE / GETTY

  • In this photo reviewed by the U.S. military, Guantanamo detainees sit together in Camp 6 detention facility on Guantanamo Bay U.S. Naval Base in Cuba, Sunday, May 31, 2009. Brennan Linsley / ASSOCIATED PRESS