Columbian native, U.S. Coast Guard Petty Officer 2nd Class Martin Castellanos, an instructor with the Training Team East, explains proper hand-cuffing techniques to members of the Panamanian and Nicaraguan navies, during the Tradewinds Exercise, April 20. Tradewinds, a U.S. Southern Command-sponsored exercise was created with emphasis on maritime interdiction and search-and-rescue operations. This year's exercise began April 16th and is scheduled to run through April 26. The exercise involves nations from the U.S., Great Britain and 15 Caribbean nations. (U.S. Coast Guard photo/Petty Officer 2nd Class Thomas M. Blue)