SALINAS, Peru (July 22, 2017) Ships and aircraft representing the 19 nations participating in UNITAS 2017 conduct a joint amphibious landing demonstration. UNITAS is an annual, multi-national exercise that focuses on strengthening our existing regional partnerships and encourages establishing new relationships through the exchange of maritime mission-focused knowledge and expertise during multinational training operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Bill Dodge/Released)