U.S. Coast Guard Chief Petty Officer Destry Bowen gives instruction to participants over the radio during the culminating boat operations exercise June 6 at the end phase one of Tradewinds 2015. The combined, joint U.S. Southern Command-sponsored exercise strengthens the capacity of Caribbean nations to respond to natural disasters, humanitarian crises and counter transnational organized crime. (U.S. Coast Guard photo by Petty Officer 2nd Class Levi Read)