Members of the Antigua, St. Kitts, St. Vincent, and Grenada police forces march toward a staged riot during a training event in Bushy Park, Barbados for Exercise Tradewinds, June 10, 2017. Military personnel and civilians from 20 countries are participating in this year’s exercise in Barbados and Trinidad & Tobago, which runs from June 6-17. (U.S. Army National Guard photo by Sgt. Renee Seruntine)