** FILE ** A detainee washes himself before praying inside his cell in Camp Delta at the Guantanamo Bay Naval Base, Cuba, in this June 30, 2004 file photo. Offering a glimpse into the top-secret world of Guantanamo Bay, the Pentagon has released the names and home countries of many detainees who have been held at the isolated military prison for up to four years. (AP Photo/Andres Leighton)