A member of the Aeronaval National Service guards cocaine packs siezed in the "Santisima Trinidad" operation, in the Guna Yala shire, during a presentation to media, in Panama City, capital of Panama, on May 27, 2013. According to official sources, the 2,717 kilograms of cocaine and two kilograms of marijuana are the biggest drug seizure by now in 2013, accomplished with United States support. The Aeronaval National Service has seized over 10,000 kilograms of illegal substances so far this year. [Photo/Xinhua]