MARAMBIA ISLAND, Brazil (July 25, 2009) Marines from the U.S., Brazil, Uruguay, Argentina, Chile and Peru disembark Landing Craft Unit 1643, from Assault Craft Unit (ACU) 2 based in Little Creek, Va., during the U.S. Marine Corps Forces South multinational amphibious exercise Southern Exchange 2009. (U.S Army photo by Spc. Michael Loggins/Released)