The U.S. Navy Oliver Hazard Perry Class Guided Missile Frigate USS JOHN H. HALL (FFG 32) departs the Naval Port of Montevideo, Uruguay, during exercise UNITAS 2004 on Nov. 6, 2004. UNITAS 2004 is an allied service exercise involving military personnel from the U.S., Spain, Uruguay and Argentina. (USAF PHOTO by MASTER SGT. Bill Kimble) (Released)