PANAMA CITY, Panama (Sept. 20, 2016) - UNITAS partner nations compete in the Tug O'War during a day of sports at the Estadio Maracaná de Panamá soccer stadium. 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 throughout the exercise. (U.S. Navy Photo by Mass Communication Specialist 1st Class Jacob Sippel/RELEASED)