Peruvian commandos and U.S. Marines approach the shores of Salinas, Peru. Peruvian commandos and U.S. Marines approach the shores of Salinas, Peru, on July 4, 2004, as part of an amphibious assault exercise during UNITAS 45-04. UNITAS is an annual training exercise focused on advancing operational capabilities and inter-operations, as well as relations between the U.S. Navy and South American naval forces. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 000350-B-YPH84-991.jpg Photo Gallery