James Campbell, a Coast Guard auxiliarist and instructor at the National Search and Rescue School in Yorktown, Va., holds a subject-matter exchange regarding search pattern execution to Coast Guardsmen from the Dominican Republic aboard the U.S. Coast Guard Cutter Diligence during Exercise Tradewinds 2011, March 4. Tradewinds 2011 is an exercise supporting involving security forces from more than 20 partner nations, primarily from the Caribbean Basin area of responsibility, and will also include participants from Canada, Mexico, Colombia, Nicaragua, El Salvador, Panama and the U.S.