GUANTANAMO BAY, CUBA - JUNE 26:  (EDITORS NOTE: Image has been reviewed by the U.S. Military prior to transmission.) An American flag flies over Camp VI at the U.S. military prison for 'enemy combatants' on June 26, 2013 in Guantanamo Bay, Cuba. President Barack Obama has recently spoken again about closing the prison which has been used to hold prisoners from the invasion of Afghanistan and the war on terror since early 2002.  (Photo by Joe Raedle/Getty Images)