UNITED AGAINST DRUGS Colombian Gen. Freddy Padilla, chief of defense, right, explains the markings on a seized brick of cocaine to U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, in Cartegena, Colombia, June 30, 2010. Mullen visited the South American country to reaffirm the commitment between the two countries in their ongoing war against narco-terrorism. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 441695-G-GAK38-617.jpg Photo Gallery