Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, U.S. Navy, listens as he is briefed during his visit to Naval Station Guantanamo Bay, Cuba, on Jan. 13, 2008. Mullen is visiting the detention facilities and the new expeditionary legal complex that will be used to try high value combatants at Guantanamo. The visit to Gitmo, as it more commonly called, is part of a five-day trip to the U.S. Southern Command area of operations.