A detainee is taken from a questioning session at camp X-Ray February 6, 2002 in Guantanamo Bay, Cuba. The 156 Al Qaeda and Taliban prisoners are questioned frequently, and are always transported to and from these sessions manacled. (Photo by Chris Hondros/Getty Images)

A U.S. Marine displays the daily lunch ration for Taliban and Al Qaeda detainees at Camp X-Ray February 6, 2002 in Guantanamo Bay, Cuba. There are 156 Al Qaeda and Taliban prisoners currently being held in the camp, and they are given three Muslim-friendly meals a day. (Photo by Chris Hondros/Getty Images)

A U.S. soldier cleans the floor of a field hospital ward for Al Qaeda and Taliban detainees at Camp X-Ray February 7, 2002 in Guantanamo Bay, Cuba. Dozens of prisoners have been treated at the field hospital, some for pre-existing conditions. An amputation took place February 7. (Photo by Chris Hondros/Getty Images)

A Camp X-Ray detainee (R) is transported in an electric cart March 27, 2002 in Guantanamo Bay, Cuba. Over 300 detainees are being held at the camp as work continues on a more permanent prison nearby. (Photo by Chris Hondros/Getty Images)

A detainee is removed from his cell by guards March 28, 2002 at Camp Xray in Guantanamo Bay, Cuba. Over 300 detainees continue to be held at the camp as officials in Washington, DC are busy setting up military tribunals that will decide many of the prisoners'' fates. (Photo by Chris Hondros/Getty Images)

U.S. Military Police guard Taliban and al Qaeda detainees in orange jumpsuits January 11, 2002 in a holding area at Camp X-Ray at Naval Base Guantanamo Bay, Cuba during in-processing to the temporary detention facility. The detainees will be given a basic physical exam by a doctor, to include a chest x-ray and blood samples drawn to assess their health, the military said. The U.S. Department of Defense released the photo January 18, 2002. (Photo by Petty Officer 1st class Shane T. McCoy/U.S. Navy/Getty Images)

A soldier walks past a "No Salute Area" sign, posted to keep the ranks of military officers secret from detainees, at Camp X-Ray April 24, 2002 in Guantanamo Bay, Cuba. Some 300 alleged Taliban and al Qaeda detainees have been brought to Camp X-Ray from Kandahar, Afghanistan. The detainees will soon be moved to Camp Delta which is expected to be finished within days. (Photo by Mario Tama/Getty Images)

An interrogation room in Camp Delta for detainees from the U.S. war in Afghanistan is shown April 7, 2004 in Guantanamo Bay, Cuba. On April 20, the U.S. Supreme Court is expected to consider whether the detainees can ask U.S. courts to review their cases. Approximately 600 prisoners from the U.S. war in Afghanistan remain in detention. (Photo by Joe Raedle/Getty Images)

Restraining devices hang from the wall of a prisoner's cell at Camp Echo April 7, 2004 where detainees from the U.S. war in Afghanistan will meet their lawyers before going to a U.S. military tribunal in Guantanamo Bay, Cuba. On April 20, the U.S. Supreme Court is expected to consider whether the detainees can ask U.S. courts to review their cases. Approximately 600 prisoners from the U.S. war in Afghanistan remain in detention. (Photo by Joe Raedle/Getty Images)

The facility where the Combatant Status Review Tribunals will take place for detained enemy combatants at Guantanamo Bay, Cuba. Photograph was taken July 29, 2004. DoD photo by PH1 Christopher Mobley. (Released)

GUANTANAMO BAY, CUBA - AUGUST 23: Detainees gather in a court yard at Camp Delta at Guantanamo Naval Base August 23, 2004 in Guantanamo, Cuba. On August 24, preliminary hearings will begin for four suspected Al Qaeda associates charged by the U.S. with war crimes as they appear before a commission of five military officers. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - AUGUST 23: A ping pong table for detainees sits in the middlle of a court yard at Camp Delta at Guantanamo Naval Base August 23, 2004 in Guantanamo, Cuba. On August 24, preliminary hearings will begin for four suspected Al Qaeda associates charged by the U.S. with war crimes as they appear before a commission of five military officers. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - AUGUST 23: A uniform and other supplies that are given to detainees lie on a bed in a cell at Camp Delta at Guantanamo Naval Base August 23, 2004 in Guantanamo, Cuba. On August 24, preliminary hearings will begin for four suspected Al Qaeda associates charged by the U.S. with war crimes as they appear before a commission of five military officers. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - AUGUST 26: A detainee looks into the window of a cell at Camp 4 inside of the maximum security prison Camp Delta at Guantanamo Naval Base August 26, 2004 in Guantanamo Bay, Cuba. This week the U.S. Military held preliminary hearings for four detainee's charged with conspiricy to commit war crimes. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - MAY 09: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) Two members of the U.S. Military stand near a detainee at Camp 4 inside of Camp Delta May 9, 2006 in Guantanamo Bay, Cuba. Camp Delta was first occupied on April 28, 2002, when 300 detainees previously held at Camp X-Ray were transferred to Camp Delta. The rest of the detainees were moved on April 29. Camp X-Ray closed down on that same day. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - MAY 09: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) A Koran hangs in a cell of the Camp 2 cell block at Camp Delta May 9, 2006 in Guantanamo Bay, Cuba. Camp Delta was first occupied on April 28, 2002, when 300 detainees previously held at Camp X-Ray were transferred to Camp Delta. The rest of the detainees were moved on April 29. Camp X-Ray closed down on that same day. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - MAY 09: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) Clothes and slippers and board games that are given to detainee's sit in a cell of the Camp 2 cell block at Camp Delta May 9, 2006 in Guantanamo Bay, Cuba. Camp Delta was first occupied on April 28, 2002, when 300 detainees previously held at Camp X-Ray were transferred to Camp Delta. The rest of the detainees were moved on April 29. Camp X-Ray closed down on that same day. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - MAY 09: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) Portable beds that are used to for detainee's who are feed with a feeding tube sit in a room in the hospital for detainee's at Camp Delta May 9, 2006 in Guantanamo Bay, Cuba. There are currently three detainee's who refuse to eat and are fed with a feeding tube twice a day. Camp Delta was first occupied on April 28, 2002, when 300 detainees previously held at Camp X-Ray were transferred to Camp Delta. The rest of the detainees were moved on April 29. Camp X-Ray closed down on that same day. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - MAY 09: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) A sign reminds workers not to talk around detainee's is posted on a door in the hospital for detainee's at Camp Delta May 9, 2006 in Guantanamo Bay, Cuba. Camp Delta was first occupied on April 28, 2002, when 300 detainees previously held at Camp X-Ray were transferred to Camp Delta. The rest of the detainees were moved on April 29. Camp X-Ray closed down on that same day. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - AUGUST 26: A detainee walks with a prayer rug at Camp 4 of the maximum security prison Camp Delta at Guantanamo Naval Base August 26, 2004 in Guantanamo Bay, Cuba. This week the U.S. Military held preliminary hearings for four detainee's charged with conspiricy to commit war crimes. (Photo by Mark Wilson/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 2: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) A detainee moves from one room to another inside Camp 1 at the detention facility at the U.S. Naval Station October 2, 2007 in Guantanamo Bay, Cuba. About 340 "unlawful enemy combatants" captured since the September 11, 2001 attacks on the United States continue to be held at the facility. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 2: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) A small black arrow indicating the direction of Mecca is painted on a metal shelf inside a cell at Camp 1 in the detention facility at the U.S. Naval Station October 2, 2007 in Guantanamo Bay, Cuba. About 340 "unlawful enemy combatants" captured since the September 11, 2001 attacks on the United States continue to be held at the facility. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 2: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) The U.S. flag and razor wire are a constant presence in the detention facility at the U.S. Naval Station October 2, 2007 in Guantanamo Bay, Cuba. About 340 "unlawful enemy combatants" captured since the September 11, 2001 attacks on the United States continue to be held at the facility. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 2: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) A U.S. Army guard stands ready in a "pod" inside the Camp 6 detention facility at the U.S. Naval Station October 2, 2007 in Guantanamo Bay, Cuba. Modeled on maximum security prisons in the United States, Camp 5 and Camp 6 allow easier observation of detainees with fewer guards. About 340 "unlawful enemy combatants" captured since the September 11, 2001 attacks on the United States continue to be held at the facility. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 2: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) A sign reminds guards to keep conversations to a minimum in the Camp 4 at the detention facility at the U.S. Naval Station October 2, 2007 in Guantanamo Bay, Cuba. About 340 "unlawful enemy combatants" captured since the September 11, 2001 attacks on the United States continue to be held at the facility. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 2: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) White clothing, prayer beads and a prayer rug, with an image of Mecca, sits on a bed for detainees who exhibit good behavior inside Camp 4 at the detention facility at the U.S. Naval Station October 2, 2007 in Guantanamo Bay, Cuba. About 340 "unlawful enemy combatants" captured since the September 11, 2001 attacks on the United States continue to be held at the facility. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 03: IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION Detainees are padlocked to an eye-bolt in the floor when inside the Administrative Review Boards and Combatant Status Review Tribunals room inside the Camp Delta detention facility at the U.S. Naval Station at Guantanamo Bay October 3, 2007 in Guantanamo Bay, Cuba. Not technically a legal process, the tribunals "provide an annual review to assess whether the detainees held at Guantanamo Bay present a threat to the U.S. or its allies," according to the Office for the Administrative Review of the Detention of Enemy Combatants. Based on the tribunal's reccomendations, 199 detainees have been approved for release or transfer from Guantanamo. About 340 "enemy combatants" captured since the September 11, 2001 attacks on the United States continue to be held on the island. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 03: (IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) Bright lights, guard towers and razor wire-topped fences mark the perimeter of the Camp Delta detention facility October 3, 2007 at the U.S. Naval Station at Guantanamo Bay, Cuba. About 340 enemy combatants captured since the September 11, 2001 attacks on the U.S. continue to be held on the island. (Photo by Chip Somodevilla/Getty Images)

GUANTANAMO BAY NAVAL BASE, CUBA - JULY 23: In this image reviewed by the U.S. Military, a guard walks up a stairway inside a high-security portion of the detention center July 23, 2008 at Guantanamo Bay U.S. Naval Base, in Cuba. The military base is providing the location for the trial of Salim Hamdan, the former driver for Osama bin Laden, who is charged with conspiracy and aiding terrorism and is the first prisoner to face a U.S. war-crimes trial since World War II. (Randall Mikkelsen-Pool/Getty Images)

GUANTANAMO BAY NAVAL BASE, CUBA - JULY 23: In this image reviewed by the U.S. Military, a sign marks one of the entrances to the Camp VI detention center July 23, 2008 at Guantanamo Bay U.S. Naval Base, in Cuba. The military base is providing the location for the trial of Salim Hamdan, the former driver for Osama bin Laden, who is charged with conspiracy and aiding terrorism and is the first prisoner to face a U.S. war-crimes trial since World War II. (Randall Mikkelsen-Pool/Getty Images)

GUANTANAMO BAY, CUBA - DECEMBER 10: An image reviewed by the U.S. military shows a cell block which has been converted into a classroom in the Camp Six detention facility December 10, 2008 on U.S. Naval Station Guantanamo Bay, Cuba. Opened in December 2006, Camp Six is the newest detention facility. (Photo by Mandel Ngan-Pool/Getty Images)

GUANTANAMO BAY, CUBA - DECEMBER 10: An image reviewed by the U.S. military shows guards in the movie room at the "Camp Four" detention facility during a visit by journalists December 10, 2008 on U.S. Naval Station Guantanamo Bay, Cuba. Camp Four houses the most compliant detainees where they live in a more open, community oriented manner. National Geographic programs and cartoons are popular with detainees. (Photo by Mandel Ngan-Pool/Getty Images)

GUANTANAMO BAY, CUBA - JANUARY 21: (NOTE TO EDITORS: PHOTO HAS BEEN REVIEWED BY US MILITARY OFFICIALS) A Guantanamo detainee opens a cooler inside the open yard at Camp 4 detention center at the U.S. Naval Base January 21, 2009 in Guantanamo Bay, Cuba. The Guantanamo Bay war crimes court came to an abrupt halt today as military judges granted President Barack Obama's request to suspend proceedings while he reviews his predecessor's strategy for prosecuting terrorists. (Photo by Brennan Linsley-Pool/Getty Images)

U.S. NAVAL BASE GUANTANAMO, CUBA - MAY 31: (EDITORS NOTE: IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) Detainees sit together at a metal table inside Camp 6 detention facility on May 31, 2009 at U.S. Naval Base Guantanamo Bay, Cuba. Camp six is a medium-security facility with the capability of holding in a maximum-security portion of its roughly 60 detainees, based on their compliance with rules, according to the U.S. military. Former child soldier Omar Khadr, the Canadian citizen captured on the battlefield in Afghanistan in 2002 is expected to appear in a military commission hearing tomorrow with the charge of providing support to terrorism after allegedly throwing a grenade that killed a US soldier. This trial marks the first hearing of the Bush-era war crimes tribunals to take place under U.S. President Barack Obama. (Photo by Brennan Linsley-Pool/Getty Images)

U.S. NAVAL BASE GUANTANAMO, CUBA - MAY 31: (EDITORS NOTE: IMAGE REVIEWED BY U.S. MILITARY PRIOR TO TRANSMISSION) Flags wave above the sign posted at the entrance to Camp Justice, the site of the U.S. war crimes tribunal compound on May 31, 2009 at U.S. Naval Base Guantanamo Bay, Cuba. Former child soldier Omar Khadr, the Canadian citizen captured on the battlefield in Afghanistan in 2002 is expected to appear in a military commission hearing tomorrow with the charge of providing support to terrorism after allegedly throwing a grenade that killed a US soldier. This trial marks the first hearing of the Bush-era war crimes tribunals to take place under U.S. President Barack Obama. (Photo by Brennan Linsley-Pool/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 27: (EDITORS NOTE: Image has been reviewed by U.S. Military prior to transmission.) A "non-compliant" detainee is escorted by guards after showering inside the U.S. military prison for "enemy combatants" on October 27, 2009 in Guantanamo Bay, Cuba. Although U.S. President Barack Obama pledged in his first executive order last January to close the infamous prison within a year's time, the government has been struggling to try the accused terrorists and to transfer them out ahead of the deadline. Military officials at the prison point to improved living standards and state of the art medical treatment available to detainees, but the facility's international reputation remains tied to "enhanced interrogation techniques" such as waterboarding employed under the Bush administration. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 27: (EDITORS NOTE: Image has been reviewed by U.S. Military prior to transmission.) An Arabic translator censors out selected images and news articles from a newspapers before detainees are permitted to read them inside the U.S. military prison for "enemy combatants" on October 27, 2009 in Guantanamo Bay, Cuba. Although U.S. President Barack Obama pledged in his first executive order last January to close the infamous prison within a year's time, the government has been struggling to try the accused terrorists and to transfer them out ahead of the deadline. Military officials at the prison point to improved living standards and state of the art medical treatment available to detainees, but the facility's international reputation remains tied to the "enhanced interrogation techniques" such as waterboarding employed under the Bush administration. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 27: (EDITORS NOTE: Image has been reviewed by U.S. Military prior to transmission.) A military librarian brings out books read by detainees inside the U.S. military prison for "enemy combatants" on October 27, 2009 in Guantanamo Bay, Cuba. Although U.S. President Barack Obama pledged in his first executive order last January to close the infamous prison within a year's time, the government has been struggling to try the accused terrorists and to transfer them out ahead of the deadline. Military officials at the prison point to improved living standards and state of the art medical treatment available to detainees, but the facility's international reputation remains tied to the "enhanced interrogation techniques" such as waterboarding employed under the Bush administration. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 27: Nasal feeding tubes, like those used to feed detainees on hunger strike, sit on display in the hospital at the U.S. military prison for 'enemy combatants' on October 27, 2009 in Guantanamo Bay, Cuba. Although U.S. President Barack Obama pledged in his first executive order last January to close the infamous prison within a year's time, the government has been struggling to try the accused terrorists and to transfer them out ahead of the deadline. Military officials at the prison point to improved living standards and state of the art medical treatment available to detainees, but the facility's international reputation remains tied to the 'enhanced interrogation techniques' such as waterboarding employed under the Bush administration. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - OCTOBER 27: A military guard shows a display cell in the maximum security section of the U.S. military prison for 'enemy combatants' on October 27, 2009 in Guantanamo Bay, Cuba. Although U.S. President Barack Obama pledged in his first executive order last January to close the infamous prison within a year's time, the government has been struggling to try the accused terrorists and to transfer them out ahead of the deadline. Military officials at the prison point to improved living standards and state of the art medical treatment available to detainees, but the facility's international reputation remains tied to the 'enhanced interrogation techniques' such as waterboarding employed under the Bush administration. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - MARCH 30: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) 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 Guantanamo Bay, Cuba. U.S. President Barack Obama pledged to close the facility by early 2010 but has struggled to transfer, try or release the remaining detainees from the facility, located on the U.S. Naval Base at Guantanamo Bay, Cuba. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - MARCH 30: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) Detainees jog inside a recreation yard at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in Guantanamo Bay, Cuba. U.S. President Barack Obama pledged to close the prison by early 2010 but has struggled to transfer, try or release the remaining detainees from the facility, located on the U.S. Naval Base at Guantanamo Bay, Cuba. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - MARCH 30: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) U.S. military guards watch detainees in a cell block at Camp 6 in the Guantanamo Bay detention center on March 30, 2010 in Guantanamo Bay, Cuba. U.S. President Barack Obama pledged to close the prison by early 2010 but has struggled to transfer, try or release the remaining detainees from the facility, located on the U.S. Naval Base at Guantanamo Bay, Cuba. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - MARCH 29: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) A U.S. military prison guard watches over a detainee in the maximum security Camp 5 of the Guantanamo Bay detention center on March 29, 2010 in Guantanamo Bay, Cuba. U.S. President Barack Obama pledged to close the prison by early 2010 but the administration has struggled to transfer, try or release the remaining detainees from the facility, located at the U.S. Naval base on the Caribbean island. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - MARCH 29: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) A detainee walks past a row of drying laundry at Camp Delta in the Guantanamo Bay detention center on March 29, 2010 in Guantanamo Bay, Cuba. U.S. President Barack Obama pledged to close the prison by early 2010, but the administration has struggled to transfer, try or release the remaining detainees from the facility, located on the U.S. Naval base on the Caribbean island. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - MARCH 29: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) A seat and shackle await a detainee in the DVD room in the maximum security Camp 5 at the Guantanamo Bay detention center on March 29, 2010 in Guantanamo Bay, Cuba. U.S. President Barack Obama pledged to close the prison by early 2010, but the administration has struggled to transfer, try or release the remaining detainees from the facility, located on the U.S. Naval base on the Caribbean island. (Photo by John Moore/Getty Images)

GUANTANAMO BAY NAVAL BASE, CUBA - APRIL 27: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission) A Guantanamo detainee's feet are shackled to the floor as he attends a "Life Skills" class inside the Camp 6 high-security detention facility April 27, 2010 at Guantanamo Bay U.S. Naval Base, Cuba. Today, a military tribunal began hearings on whether Omar Khadr, a Candian by birth who was 15 at the time of his capture in Afghanistan, made statements to interrogators under duress, which would render them them inadmissable in the first military tribunal to be held under the Obama Administration. (Photo by Michelle Shephard-Pool/Getty Images)

GUANTANAMO BAY, CUBA - SEPTEMBER 16: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) U.S. military guards finish their overnight shift at Camp Delta at the U.S. detention center for "enemy combatants" on September 16, 2010 in Guantanamo Bay, Cuba. With attempts by the Obama administration to close the facility stalled, more than 170 detainees remain at the center. The facility is run by the Joint Task Force Guantanamo, located on the U.S. Naval Station at Guantanamo Bay on the southeastern coast of Cuba. (Photo by John Moore/Getty Images)

GUANTANAMO BAY, CUBA - SEPTEMBER 16: (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) U.S. soldiers stand guard inside the maximum security section of the U.S. detention center for "enemy combatants" on September 16, 2010 in Guantanamo Bay, Cuba. With attempts by the Obama administration to close the facility stalled, some 170 detainees remain at the detention center, which was opened by the Bush administration after 9/11. The facility is run by Joint Task Force Guantanamo, located at the U.S. Naval Station at Guantanamo Bay on the southeastern coast of Cuba. (Photo by John Moore/Getty Images)

In this image approved for release by the U. S. military, detainees conduct morning prayers on March 28, 2009 at Camp 4 for cooperative captives at the U.S. Navy base at Guantanamo Bay, Cuba. (John VanBeekum/Miami Herald/MCT)

Guards search a detainee at the Camp Delta detention facility at Guantanamo Bay, Cuba, Tuesday, June 13, 2006. Three detainees at the camp were found dead after they committed suicide by hanging themselves. (Todd Sumlin/Charlotte Observer/KRT)

A library in a drab double-wide on Guantanano Bay Navy Base, Cuba -its stacks of books available in 16 languages, including Arabic and Chinese- is among the perks U.S. military officials promote as they seek to put a friendlier face on the controversial camp, which has been the subject of international protests over the detention and treatment of detainees. (Carol Rosenberg/Miami Herald/MCT)

Some of the most compliant captives at the prison camps are allowed to study in Arabic or Pashto with a contract Defense Department instructor at Guantanamo Bay, Cuba. In this session, viewed by closed circuit, two guards hover near an Arab man, shackled to the floor of a classroom, while an instructor who tells his students to call him "Adam" teaches formal Arabic grammar. (Carol Rosenberg/Miami Herald/MCT)

The most comfortable meeting spot for lawyers and their captive clients is at Camp Iguana, where the military has arranged a sofa and two armchairs around a shackle point inside a wooden building where some Uighur Muslims were once held before their transfer to Albania. (Carol Rosenberg/Miami Herald/MCT)

KRT WORLD NEWS STORY SLUGGED: GUANTANAMO-TRIBUNAL KRT POOL PHOTOGRAPH BY MARK WILSON/GETTY IMAGES (August 26) GUANTANAMO BAY, CUBA -- A detainee sits near a water cooler at Camp 4 inside of the maximum security prison Camp Delta at Guantanamo Naval Base in Guantanamo Bay, Cuba, on Wednesday, August 26, 2004. This week the U.S. Military held preliminary hearings for four detainee's charged with conspiracy to commit war crimes. (nk) 2004

KRT WORLD NEWS STORY SLUGGED: GUANTANAMO-TRIBUNAL KRT POOL PHOTOGRAPH BY MARK WILSON/GETTY IMAGES (August 26) GUANTANAMO BAY, CUBA -- A detainee is escorted by military police at Camp 4 of the maximum security prison Camp Delta at Guantanamo Naval Base in Guantanamo Bay, Cuba, on Wednesday, August 26, 2004. This week the U.S. Military held preliminary hearings for four detainee's charged with conspiracy to commit war crimes. (nk) 2004

GUANTANAMO BAY, CUBA - MAY 5: An American flag flies at Hospital Cay on May 5, 2012 in Guantanamo Bay, Cuba. Khalid Sheik Mohammed and four alleged accomplices will be arraigned on charges including 2976 counts of murder during the September 11th terrorist attacks. (Photo by Walter Michot-Pool/The Miami Herald via Getty Images)

Cooperative detainees in communal detention conduct prayers during Ramadan at the U.S. Navy base at Guantanamo Bay, Cuba on Monday, August 6, 2012. (Walter Michot/Miami Herald/MCT)

Captives who won't eat and are considered at risk are given up-to twice daily feedings of Ensure or other nutritional shakes, often while strapped into a restraint chair shown in this Thursday, March 21, 2013 display at the prison camps' hospital at the U.S. Navy base at Guantanamo Bay, and cleared for release by the U.S. military. (Carol Rosenberg/Miami Herald/MCT)

Until the raid on Saturday, April 13, 2013, on Guantanamo's communal prison compound, commanders said, U.S. troops were blind to what was going on inside individual cells because the captives had covered up 147 of the 160 cellblock cameras. Tuesday, the 65 or so captives were under lockdown in individual cells, and guards had surveillance on each one, as illustrated here where cell B105 shows a prisoner standing in prayer -- and B101 shows the black helmets and other riot gear U.S. forces used on the blocks. (Carol Rosenberg/Miami Herald/MCT)