In this photo, reviewed by US military officials, the gate is closed to the maximum security prison at Camp Delta 2 & 3, at the Guantanamo Bay U.S. Naval Base, Cuba on Wednesday, April 5, 2006. Also at Guantanamo Wednesday, shouting punctuated a military hearing, closed off to cameras, for a Canadian detainee accused of killing an American soldier in Afghanistan as the judge and a defense attorney clashed about rules for the proceedings. (AP Photo/Brennan Linsley, Pool)