Different countries' flags are shown during the opening ceremony for Tradewinds 2017 in Bridgetown, Barbados, June 6, 2017. Tradewinds is a joint, combined exercise conducted in conjunction with partner nations to enhance the collective abilities of defense forces and constabularies to counter transnational organized crime, and to conduct humanitarian/disaster relief operations. (U.S. Coast Guard photo by Petty Officer 1st Class Melissa Leake/Released)