Officers with the Haiti National Police prepare practice entry techniques using a diversionary grenade, or “flash bang,” in close quarters battle training during Tradewinds 2018 June 6, 2018, in Basseterre, St. Kitts. Tradewinds provides participating countries the opportunity to improve security and disaster response capabilities.(U.S. Army National Guard photo by Staff Sgt. Shane Hamann, 102d Public Affairs Detachment)