A detainee performs the Muslim call to prayer for the rest of detainees in Camp 4 at the detention facility in Guantanamo Bay, Cuba. Camp 4 is a communal style camp where more compliant detainees live in small groups and have access to a more open air environment. Approximately 250 &quot;unlawful enemy combatants&quot; captured since the September 11, attacks on the United States continue to be held at the detention facility.(Image reviewed by military official prior to transmission)