English: Colombian marines from Special Purpose Marine Air Ground Task Force (SPMAGTF) 24 celebrate April 25, 2009, at Mayport Beach, Fla., after the end of an amphibious demonstration during exercise Partnership of the Americas (POA) 2009. POA, which is being executed simultaneously with UNITAS Gold, is an annual U.S. Marine Corps Forces, South multi-national company-level combined and joint exercise that focuses on enhancing interoperability between U.S. Marines and partner-nation Marines in the areas of amphibious operations, non-combatant evacuation operations (NEO), peacekeeping and disaster relief. UNITAS Gold, a multiservice and multinational exercise is the oldest combined exercise within the Department of Defense. (U.S. Marine Corps photo by Chief Warrant Officer Keith A. Stevenson/Released)