U.S. Coast Guard Capt. David Cinalli (right) talks to Canadian Navy Leading Seaman David Pettit about the Canadian Navy Fleet Dive Unit Atlantic during Exercise Tradewinds 2012, June 18, 2012. Tradewinds is a Chairman of the Joint Chiefs of Staff approved, USSOUTHCOM-sponsored exercise supporting the Theater Security Cooperation plan, and involving security forces from 17 partner nations, primarily from the Caribbean Basin and will also include participants from the U.S. and Canada.