An RGM-84 Harpoon missile launches from the guided-missile destroyer USS Donald Cook (DDG 75) while under way in the Atlantic Ocean April 29, 2009, during a sinking exercise in support of UNITAS Gold. The 50th annual multinational exercise involves forces from Argentina, Brazil, Canada, Chile, Colombia, Ecuador, Germany, Mexico, Peru, Uruguay and the United States. The two-week-long exercise includes realistic, scenario-driven training opportunities such as live-fire exercises, shipboard operations, maritime interdiction operations and special warfare. (DoD photo by Mass Communication Specialist Seaman Patrick Grieco, U.S. Navy/Released)