Archivo:US Navy 040626-N-1464F-007 Rigid Raider small craft on the Amazon River.jpg

Iquitos, Peru (June 26, 2004) - U.S. Marines Staff Sgt. Jose Gutierrez, left, Staff Sgt. Allan Callan, center, and Cpl. David Towers, right, maneuver a Rigid Raider small craft on the Amazon River, during riverine operations with their Latin American counterparts, while preparing for beach assault exercises during UNITAS 45-04. Eleven partner nations from the U.S. and Latin America are supporting the largest multilateral exercise in the Southern Hemisphere. Held Since 1959, UNITAS aims to unite military forces throughout the Americas with bilateral and multilateral shipboard, amphibious and in-port exercises and operations. UNITAS improves operational readiness and interoperability of U.S. and South American naval, coast guard, and marine forces while promoting friendship, professionalism and understanding among participants. U.S. Navy photo by Chief Journalist Dave Fliesen (RELEASED)