Mexican Navy personnel guard their arcs of fire during the final training scenario for the first phase of Exercise Tradewinds 19, at Las Calderas Naval Station in the Dominican Republic, June 6, 2019. In its 35th year, 22 nations have participated in the annual Tradewinds exercise to promote regional security as well as humanitarian assistance and disaster relief. (Photo: Mexican Navy Sergeant Sergio Israel Dominguez Trejo)