GULF OF PANAMA (Sept. 23, 2016) - Lt. Joanna Dunn coordinates 18 ships from 8 countries, forming with USNS Spearhead (T-EPF 1), as part of a multinational ship movement exercise. 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)